You haven’t disclosed your business so I don’t know what your limitations are. That being said I’ve never heard of anyone getting a %15 conversion from any advertising so whatever you are doing is working. If you want to try another area you can work affiliate marketing. Done right it can be very effective (no where near %15 though). If you are a local operation networking, advertising specialties and publicity works quite well.
You haven’t disclosed your business so I don’t know what your limitations are. That being said I’ve never heard of anyone getting a %15 conversion from any advertising so whatever you are doing is working. If you want to try another area you can work affiliate marketing. Done right it can be very effective (no where near %15 though). If you are a local operation networking, advertising specialties and publicity works quite well.
try with google adword ( ) , low cost and effective.