What is the fair equity share to get upon joining an early stage startup?

It really depends on whether this is ultimately a top-down or bottom-up approach and to what extent the end-user experience is compelling enough to act as a forcing function to enterprise adoption. A bottom-up distributed mobile app must be both viral and incredible engaging. Without proof that you have that (or absent proof, strong conviction) most are better off attempting to sell top-down. Happy to talk this through in a call

I'm glad you described your market a bit. I have not seen a retainer model work in this space, but that's not saying you can't succeed with it. YOU are the expert, so I would not leave it to clients to choose what they want. If you do, you'll get clients who say, "Yeah, I hired them to make me a page; it looked nice but didn't work"--and who is responsible for that? I have seen both arguments when it comes to the question of displaying pricing. I think you should show it. That's a qualifier for visitors, and you do not want to waste your time and energy on people who cannot afford your help. So my recommendation is to list your services with pricing, but make sure you have a lead capture system to pre-qualify. Then talk live to fully qualify and give your expert recommendations. I kind of like #4, but there is so little opportunity cost in you being able to offer all the other kinds of content...I would only take this approach if you are committed, really want to specialize, and get known for these kinds of pages.

Hi, Good luck with you venture! You basically have two options. Funded vs. bootstrapped mode. Assuming you are not going to look for investment for this particular project, your other option is to bootstrap. Bootstrapping is becoming more and more popular nowadays, since it lets you gauge the reaction of the market very early. I recommend following Pieter Levels about this on Twitter and other media. And I suggest watching this is a generally working - good model of how to launch a product: https://www.youtube.com/watch?v=6reLWfFNer0 Best Ozzie.

I've been using perfectaudience.com and found great success. It's very easy to use and the results have consistently been above average. It's Facebook specific but where are most people spending their time? Facebook.

Congratulations on the launch of your Beta testing! That is half the battle. My advice would be to slowly do another round of Beta testing and inviting people who you know will give you good feedback and help you improve your app. Then in the mean time get PR to pump up your app again for launch in a month. Not every app when it launches is perfect, we all have to update apps on our phone constantly so do not be afraid to go live. If you would like to set up a phone call I would love to chat more in depth because I have two friends who have get apps that I may be able to connect you with who have been in the same shoes as you!