I think you can keep working on 1, 2 and 4 . Are there any that have traction yet? I can see that the bedtime stories is on it's own domain, so i'm guessing yo

I think you can keep working on 1, 2 and 4 . Are there any that have traction yet? I can see that the bedtime stories is on it's own domain, so i'm guessing you have paying users for that. The figures on postwala (2400+ businesses), are they accurate? if so, then you have your top contender. Improving them just comes down to researching the target market for each product and finding out what they need that no one else offers yet (either they don't offer it at all, or they don't offer it the way you've found that the target market wants it).