@Shi Esguerra As Allen mentioned FF and Airbnb tend to be the best resource for pricing MTRs. 

Our financial support demonstrated our commitment to providing the necessary resources for successful real estate investments, enabling a smooth and profitable transaction in collaboration with our partner, Graham Lyster.

3) What if one of the applicants applied very late but offered 200 or 300 dollars more monthly for rent and requested that his application be approved?

They have a ton of resources, training, forms, etc.

This would be a basic package with available options offered to each participating home owner..

@Jonathan Greene offered great suggestions on saving for your next deal and being careful about partnerships. 

I could now charge them for their fair share and they stopped wasting the resource. 

One day miraculously an offer of his was accepted.  

I did a few and someone turned me in :) and sure enough I got a cease and desist and had to pay a fine and spend 20k creating what State of Oregon  calls a Real Estate paper offering !!.  

If you can provide us with specifics, we can offer some advice.