diff --git a/Pipfile b/Pipfile
index 67249df..dbaf9a8 100644
--- a/Pipfile
+++ b/Pipfile
@@ -13,6 +13,7 @@ prompt-toolkit = "*"
 bottle = "*"
 mt-940 = "*"
 click = "*"
+xdg = "*"
 
 [requires]
 python_version = "3.8"
diff --git a/Pipfile.lock b/Pipfile.lock
index 579854a..0c7fde8 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "731c3810c49b4b77cd9aac8450a97650031dc994b7367106567d351f96011a24"
+            "sha256": "45bd6b24d71ce0251c64ad6cad358882053f9cacc52bb418fce22889da6ff702"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -61,6 +61,14 @@
                 "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
             ],
             "version": "==0.1.8"
+        },
+        "xdg": {
+            "hashes": [
+                "sha256:bf9032b027e3061d38c362a21b14dcf057a5b5a4906956f8e8278cefdf73f38b",
+                "sha256:c939c99def394cbaf765a3ee55efd6ea7e4c5eaed8d9ebc2d03af84ba35dec57"
+            ],
+            "index": "pypi",
+            "version": "==4.0.1"
         }
     },
     "develop": {
diff --git a/README.md b/README.md
index ff1d496..d7e9318 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,6 @@
 
 ## ToDo
 
-- Profile via config files im home
 - Graphen
    - Linechart Verlauf über Monat (Gesamtetrag)
    - Piechart verschiedene Kategorien
diff --git a/cli b/cli
index 4cb0f7c..467fd33 100755
--- a/cli
+++ b/cli
@@ -1,13 +1,41 @@
 #! /usr/bin/env python3
 import click
-import sort, importer, serve
+import os
+import sys
+
+import sort
+import importer
+import serve
+
+from helper import build_database_filename, create_dirs
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from sqlalchemy.ext.declarative import declarative_base
+import models
+
 
 @click.group()
 def cli():
     pass
 
+
+@cli.command(name="init")
+@click.argument("profile_name", required=True)
+def init(profile_name):
+    filename = build_database_filename(profile_name)
+    if os.path.exists(filename):
+        print(f"Profile '{profile_name}' already exists")
+        sys.exit(1)
+    else:
+        engine = create_engine(f"sqlite:///{filename}")
+        models.Base.metadata.create_all(engine)
+        print(f"Sucessfully create the profile '{profile_name}'")
+
+
 if __name__ == '__main__':
+    create_dirs()
     cli.add_command(sort.command)
     cli.add_command(importer.command)
     cli.add_command(serve.command)
-    cli()
\ No newline at end of file
+    cli()
diff --git a/create.py b/create.py
deleted file mode 100644
index d835372..0000000
--- a/create.py
+++ /dev/null
@@ -1,14 +0,0 @@
-#! /usr/bin/env python3
-from sqlalchemy import create_engine
-from sqlalchemy.orm import sessionmaker
-from sqlalchemy.ext.declarative import declarative_base
-
-engine = create_engine("sqlite:///app.db")
-Base = declarative_base()
-
-Session = sessionmaker(bind=engine)
-session = Session()
-
-from models import *
-
-Base.metadata.create_all(engine)
diff --git a/helper.py b/helper.py
new file mode 100644
index 0000000..8defd4e
--- /dev/null
+++ b/helper.py
@@ -0,0 +1,42 @@
+#! /usr/bin/env python3
+import os
+import sys
+from xdg import XDG_CONFIG_HOME, XDG_DATA_HOME
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+CONFIG_DIR = os.path.join(XDG_CONFIG_HOME, "schmeckels")
+DATA_DIR = os.path.join(XDG_DATA_HOME, "schmeckels")
+
+
+def create_dirs():
+    for directory in [CONFIG_DIR, DATA_DIR]:
+        try:
+            os.mkdir(directory)
+        except FileExistsError:
+            pass
+
+
+def build_database_filename(profile_name):
+    return f"{DATA_DIR}/{profile_name}.db"
+
+
+def get_session(profile_name):
+    if not profile_name:
+        count = len(os.listdir(DATA_DIR))
+        if count == 1:
+            filename = f"{DATA_DIR}/{os.listdir(DATA_DIR)[0]}"
+        else:
+            print("--profile is required when you have more than one database.")
+            sys.exit(1)
+    else:
+        filename = build_database_filename(profile_name)
+
+    print(filename)
+    if os.path.exists(filename) and os.path.isfile(filename):
+        engine = create_engine(f"sqlite:///{filename}")
+        Session = sessionmaker(bind=engine)
+        return Session()
+    else:
+        print(f"No database for profile '{profile_name}'. Did you run 'init'?")
+        sys.exit(1)
diff --git a/importer.py b/importer.py
index 28b5161..168050c 100644
--- a/importer.py
+++ b/importer.py
@@ -6,16 +6,17 @@ from datetime import datetime
 from sqlalchemy import create_engine, desc
 from sqlalchemy.orm import sessionmaker
 from models import Transaction
+from helper import get_session
 import sys
 
 
 @click.command(name="import")
 @click.option("--filetype", "-t", type=click.Choice(["dkb", "sparkasse-mt940", "bunq-csv"], case_sensitive=False))
+@click.option("--profile", "-p")
+@click.option("--force", default=False)
 @click.argument("filename", type=click.Path(exists=True))
-def command(filename, filetype):
-    engine = create_engine("sqlite:///app.db")
-    Session = sessionmaker(bind=engine)
-    session = Session()
+def command(filename, profile, filetype):
+    session = get_session(profile)
 
     latest = session.query(Transaction).order_by(desc(Transaction.date)).first()
     new = []
@@ -30,9 +31,9 @@ def command(filename, filetype):
             name = data["applicant_name"]
             description = data["purpose"]
 
-            # if latest and data['date'] < latest.date:
-            #     print("Found transaction older than then oldest transction in the DB. Aborting")
-            #     sys.exit(1)
+            if not force and latest and data["date"] < latest.date:
+                print("Found transaction older than then oldest transction in the DB. Aborting")
+                sys.exit(1)
 
             new.append(Transaction(date=date, name=name, iban=iban, amount=amount, description=description))
             print(".", end="", flush=True)
@@ -41,7 +42,6 @@ def command(filename, filetype):
         with open(click.format_filename(filename)) as fh:
             fh.readline()  # Get rid of first line
             csv_reader = csv.reader(fh, delimiter=";")
-            count = 0
             for line in csv_reader:
                 date = datetime.strptime(line[0], "%Y-%m-%d")
                 amount = int(float(line[2].replace(",", "")) * 100)
@@ -49,15 +49,15 @@ def command(filename, filetype):
                 name = line[5]
                 description = line[6]
 
-                # if latest and date < latest.date:
-                #     print("Found transaction older than then oldest transction in the DB. Aborting")
-                #     sys.exit(1)
+                if not force and latest and date < latest.date:
+                    print("Found transaction older than then oldest transction in the DB. Aborting")
+                    sys.exit(1)
 
                 new.append(Transaction(date=date, name=name, iban=iban, amount=amount, description=description))
                 print(".", end="", flush=True)
 
     elif filetype == "dkb":
-        with open(click.format_filename(filename), 'r', encoding='utf8') as fh:
+        with open(click.format_filename(filename), "r", encoding="utf8") as fh:
             fh.readline()  # Get rid of first line
             csv_reader = csv.reader(fh, delimiter=";")
             for line in csv_reader:
@@ -67,9 +67,9 @@ def command(filename, filetype):
                 name = line[3]
                 description = line[4]
 
-                # if latest and date < latest.date:
-                #     print("Found transaction older than then oldest transction in the DB. Aborting")
-                #     sys.exit(1)
+                if not force and latest and date < latest.date:
+                    print("Found transaction older than then oldest transction in the DB. Aborting")
+                    sys.exit(1)
 
                 new.append(Transaction(date=date, name=name, iban=iban, amount=amount, description=description))
                 print(".", end="", flush=True)
diff --git a/serve.py b/serve.py
index ab46f3c..754f38b 100644
--- a/serve.py
+++ b/serve.py
@@ -1,18 +1,10 @@
 #! /usr/bin/env python3
 from bottle import route, run, template, redirect, request, post
-from sqlalchemy import create_engine
-from sqlalchemy.orm import sessionmaker
-from sqlalchemy.ext.declarative import declarative_base
 from models import Category, Transaction
+from helper import get_session
 import click
 
-from pprint import pprint
-
-engine = create_engine("sqlite:///app.db")
-Base = declarative_base()
-
-Session = sessionmaker(bind=engine)
-session = Session()
+session = None
 
 
 @route("/")
@@ -39,7 +31,7 @@ def category(name):
 
 
 @route("/category/<name>/delete")
-def category(name):
+def delete_category(name):
     c = session.query(Category).filter(Category.name == name).first()
     if c:
         session.delete(c)
@@ -68,6 +60,10 @@ def buksort():
     session.commit()
     return redirect("/transactions")
 
+
 @click.command(name="serve")
-def command():
+@click.option("--profile", "-p")
+def command(profile):
+    global session
+    session = get_session(profile)
     run(host="localhost", port=8080, reloader=True, debug=True)
diff --git a/sort.py b/sort.py
index a50fa56..54bfbae 100644
--- a/sort.py
+++ b/sort.py
@@ -2,8 +2,9 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.ext.declarative import declarative_base
-from models import *
+from models import Category, Transaction
 from categories import add_category
+from helper import get_session
 import sys
 import click
 
@@ -12,12 +13,9 @@ from prompt_toolkit.shortcuts import prompt
 
 
 @click.command(name="sort")
-def command():
-    engine = create_engine("sqlite:///app.db")
-    Base = declarative_base()
-
-    Session = sessionmaker(bind=engine)
-    session = Session()
+@click.option("--profile", "-p")
+def command(profile):
+    session = get_session(profile)
 
     categories = session.query(Category).all()
     category_lookup = {c.full_name(): c.id for c in categories}