Well anyone can write anything into a contract, but whether it is legal and enforceable is for the courts to decide...It is State law here that a contractor must call 811 or they are liable for the costs.

You could also use "Doug's LLC and/or assigns" where Doug's LLC is your hypothetical company.As for the assignment contract, you can get one from an attorney for probably less than $1,000, you can also make a friend at a title company, they probably have a template they could give you.  

I would try to subscribe to Angies List to determine a suitable mortgage company.

Or hire a PM company to manage for you?

Quote from @Simon Packman: Quote from @Tanner Pile: @Simon Packman What company do you use? 

With that being said, Columbus is one of the hottest markets in the US right now with some of the fastest population and job growth and companies moving and developing here.

If the issue continues, consider offering a formal payment plan or seeking legal advice.

There is one city where I rent some houses and almost everyone that calls ask who the PM is and say they won't rent from anyone that uses X company as their PM.  

Every company has atleast 1 person who leaves a negative review but what you fail to realize is that this is real estate.

Quote from @Adam Sieg: I’ve used all but the only company I continue to buy through is R2R.