To be honest the idea itself doesn't really matter.
Find some niche you love and you can talk about by heart. Then put marketing and promoting behind it and it will work out.
Find some niche you love and you can talk about by heart. Then put marketing and promoting behind it and it will work out.
In my view the idea is the most important part. It doesn't have to be a "great" idea, but you have to have some kind of basic concept and have to look at the market to see if there is any kind of need. That's particularly important if you're spending $1K/month behind this concept and need it to give a return.