Every building is kinda unique and each carrier has their own appetite so it's hard to make a blanket statement. 

Generally, outside of seller financing, the types of debt available for MHPs are:Local & Regional Banks - You can find out which banks have an appetite for mobile home parks by asking the MH/RV brokers in your area, networking through other owners of parks in your area, or simply obtain list of the smaller banks in your area/region and call them to see if they have lent on parks in the past.

My two cents is that, like a lot of this, it depends on your risk appetite. 

What type of projects do they have appetite for?

This means you can be flexible based on your strategy and risk appetite.

Really appreciate it.To be quite honest, I don't believe I have the appetite to house hack by buying a duplex/triplex/etc.

Eric Foss #RustBelt Bottom line is that you'll have to go somewhere to buy where the buying pool is only investors and an incredibly limited pool of investors with that appetite.

Some people came alongside me and gave me some good books that whetted my appetite for real estate.

They are usually in areas with a higher concentration of investment properties and investors tend to suppress the pricing market (go figure... everyone wants them cheap.)

Right now my business has an appetite for distressed properties and potential fix/flip rehabs.