teh ghey

When you have a lot of different ideas for a new business in front of you, how do you pick which one to go with?
How do you know if one is a winner and the others won't do well?

I have like 4 different ideas in front of me, 3 are mainstream sites, and I am stumped on which idea to run with.

All the ideas will take time to build and grow via word of mouth, so thats why im waiting to see which idea will work best before going with any.

Ive been working online for years and did *ok* but never made great money, so now I want to start making more