Does someone mind explaining subject to offers?

They offer LLC financing with you as the PG.In theory, you can file the paperwork with an attorney) with the county and move it into your LLC. 

They can offer fast results with relatively predictable returns.

You aren't going to get any of that information in advance of making an offer, outside of what they are providing which is usually a little slim.

A year later he knocked on our door and offered it to us.

There is always a chance that rates will drop, but I would imagine $25K would buy down the annual rate so significantly that you would never see a lower rate offered by a bank so you wouldn't even think about refinancing.

Is there a way for him to make an offer and view it without me signing a listing agreement?

If you just called someone up and asked how you could help them, you would be ten steps ahead of Bobby, who is stammering through the first line of a script from 1974 about a cash offer when the homeowner bought the house for 51k in 1978 and it's worth 804k (aka does not need cash, he needs a place to go).Agree 💯!

Both were offered by Capital Square. 

Every system you try will have flaws, or you may salivate over a feature that appears in other software.Some familiar names are mentioned frequently: Stessa, Apartments.com, RentRedi, TenantCloud, Innago, RentManager, Avail, Rentec Direct, Doorloop, etc.I recommend conducting thorough research on each app online to understand their offerings, pricing, etc.