I create a spreadsheet with ideas down the side and then categorise the columns with different criteria, things like :- * What price will it be sold for * How

I create a spreadsheet with ideas down the side and then categorise the columns with different criteria, things like :- * What price will it be sold for * How much will it cost me to start up * Can I do it all myself / is outsourcing needed * Is it an easy sell / impulse purchase * How many people have said they would be interested * How long will it take to get set up * Does this sound like fun to work on I would highlight quite positive answers in green, so I can see at a glance with is quite an attractive idea to work on. I think it's important to then take your own passion & preference in to account. For me I might prefer to pick something with a higher potential revenue with a bigger list of interested people, where as you may put more weight behind something that is short to work on & fun.