In ROI percentages that would put you at about 16.7% ROI to start with.

Will you be Tenants-In-Common, each owning some percentage of the property (i.e., 50%/50%, 70%/30%), or will you be joint tenants each owning 100%, etc.

I’m assuming they charge a percentage on the monthly payment?

I like to think CoC return and cash flow are more important then percentage rules.  

You decide that because teachers are only doing 1 hour of work a week, they will only be paid 1 hour worth of wages a week, and this is non-negotiable.Let's also assume you're correct that they only work 1 hour a week and there's no behind the scenes lesson planning, grading, providing feedback, administrative work, etc.By the end of the first week, what percentage of teachers have turned in their two weeks notice, explained they cannot live on 1 hour of pay a week, and have begun job searching elsewhere? 

Rent will cover a smaller percentage of expenses but it’s one of the most in demand places in the bay if you have the money to play there.  

I will also be contributing a certain percentage of the cash needed.

Here they often let developers build high density and often expensive housing with a small percentage set aside for buyers earning 80% of median income who get the properties at greatly reduced prices but their equity is split if they ever sell.

What percentage of phone numbers are you landing?

If you want a little more advanced training and don’t mind paying a higher percentage of your sales, I would recommend KellerWilliams.