Our Lease Contract doesn't currently say that all payments will be applied to non-rent charges first, oldest to newest, but it also doesn't say anything about how we may allocate the payments tenants make to us.

I have had 14 listing appointments generated through their service in three months and have a funnel of many many more.

It’s a non-event in the life of a real estate investor. 

I have a "notebook" (that's basically a file folder, in Evernote) for different types of info I want to have access to later: lender info, referrals for service providers, property listings that I come across and want to check out later, websites that have demographic info... all sorts of things.

Thank you also for your service.  

If he goes (or I go) and we determine the job is to big for him (or I) to handle, then we call out a service guy and materials and labor is charged.

Some mentees will act as a bloodhound for the mentor, knocking on doors, driving for dollars, scouring the internet, making cold calls, or performing other services that help the mentor find new deals.

Some areas here may have rent by the room ordinances for non-family so you would want to check, but single-family homes in the same areas should be selling as hot or hotter than multi-family.

Is this true direct to them will finance deals and on what scale do they need to be in relation to how big the project or funding has to be. private lenders and many other companies will do this (non bank lenders).

This might involve debt restructuring, seeking alternative financing, or even offloading non-performing assets.