You'll probably need to tell them your concerns about insects, rodents, etc. and not renew unless they change just enough to get by and not run the cleaner tenants away.

My concerns here are the fact that its not legally an 8BR, and also the fact that 8 tenants in 1 single-family home is a lot to manage and I’ll likely have higher than average vacancy, but I’m up for it as the numbers seem to really work. 4 of the existing tenants have been there for 3+ years.

Does thar not concern you as an investor?

For those researching Manufactured Housing Communities / Mobile Homes Parks, here is the investment thesis in a nutshell, from an industry leader and one of the worlds' most successful real estate investors. 

3/ is this a mobile you’re buying?

Mom and pop investors are known for being more flexible when it comes to the many unique situations with concern to tenants.

He's not concerned with getting top dollar. 

It may not be a big concern?

As far as the signing then a trustee typically signs "in their capacity", something like this:Joe Smith as Trustee for the Bill Miller Living TrustEscrow probably would not be concerned with "...that these 3 are the owners of the trust?"

I wanted to get some information on financing mobile homes to use for rentals.