They damage easily, they generally go down in value as opposed to a house going up in value, the clientele can be different depending on what you are renting, and many cities hate MH's and have lots of regulations you need to be aware of. 

If your long term goal isn't to self manage everything, there's no need to spend all your time and energy learning all the laws, regulations, etc that property managers need to know. 

In the UK if the house has 5 or more tenants then we need a special license and have to abide by all these different safety regulations that can be costly.

dont get this kind of advice from the internet.. contact the regulators in your state.. describe what it is your actually going to do and they will let you know whats required.for instance in many states no license required for commerical non owner occ.but that are 10 to 15 states it is required.. so it cost you NO money to check with your state and get the straight scoop.

Most investors want to know if the group has satisfied the SEC regulations, but I've been spending extra time taking a deep dive on the individuals and track record.

There are commercial financing regulations (found in the Texas Finance Code) to keep in mind, and you will want to familiarize yourself with the Texas Property Code.Depending on how you are structured, you will want to domesticate your entity in Texas. 

I just don't want to run afoul of regulations.

So it's likely is a local question, depending on regulation.

As long as the tenant does not violate S8 regulations, you should receive regular rent payments.Again, that really comes back to screening. 

Not sure since I don't know the US regulations on this.