It's complicated.

I don't want to extend this drama any further and complicate things as I will lose valuable summer time in showing the property to potential tenants. 

I agree he should keep paying his share, but for our primary residence if he pays his share and the property still only belongs to me, he would want input on where to buy and what to buy....that might result in somewhere in Orange County costing over 600k...........The boyfriend definitely complicates things! 

Anything more can complicate things considerably. 

Rent is not construed as being applied toward the down payment - that would constitute an equitable interest and cause complications.

It can get very complicated but doesn't have to be for 90% of the houses.

@Kamil Smith - Again, the scenario is sufficiently complicated that all paperwork is needed to give any meaningful answer either way.

So I have been doing a lot of reading and have discovered this industry is financially complicated.  

I found the textbook material to be very heavy and complicating, and I was wondering if it is worth the time and effort to get familiar with the calculations and problem sets used in this textbook? 

A little more complicated than the first but here is how it went.