I'm no plaster expert but If I was guessing the choice will be between taking the walls down and hanging drywall, or maybe skimming over the plaster after removing the fabric covering.

Roommates are difficult to evict or remove from an apartment, but it is easier to evict from a rental unit!

It's refundable up to the point of removing all of your contingencies.

Other possible expenses that you wouldn't see in a SFR is landscaping and snow removal costs.

@Jason CadyleWe have had tenants in a duplex (side-by-side) assume responsibility for their own snow removal and lawn care in the past.  

Are there any options to making it look better without having to go through the hassle of completely removing them and re texturing?

Mobile Homes are in decent shape for their age and have already checked with county on replacements which is okay as long as they're done within 60 days of removal. 

We decided to ask Solar company to remove it.

Accounting..Cost of repairs, upkeep on the rental is rental expense, including 1/2 of property taxes, property insurance, yard maintenance, trash removal, vendor services, ect. any related expense to that unit or 1/2 portion of the duplex is expense, 1/2 half of mortgage costs. and if shared utilities 1/2 of the utilities. 

She told us the man was just visiting and she paid the pet deposit for our trouble and agreed to remove the dog since we don't allow pit bulls.