If not, then they'd need to come up with a plan we'd be happy with like:  Have us get 2 estimates and get a credit at close equal to the lowest one or something.   

All things being equal, its price. 

If they are VERY professional, they will have their processes in writing as verification that policies are enforced equally and fairly by their entire staff.6.

Remember, not all money is created equal.

More demand equals less TI, rent abatement, or other LL concessions to provide when a vacancy does occur, so select accordingly.

I still don't like the ADU idea unless you plan on buying half of his property overall so it's all equal.

@John Pettas  Not all PM are created equal. 

The other option is simply charge them $X (equal to one month's rent for example) and if you find a new tenant sooner, then keep all of that money as it is a fee for breaking the lease vs the first where they are paying rent.

While we knew that all hard money lenders are not created equal, and some could be good….we knew from our own experience that using hard money could cause a deal to fall apart by making the process less seamless than we needed it to be.What ensued was a month-long nightmare that tested our patience and threatened to derail everything we had worked for.The lender moved at a snail’s pace, bogging us down with endless requests for additional walkthroughs, appraisals, and paperwork.

@Diana JingHere is more information regarding non-recourse loans:https://www.biggerpockets.com/member-blogs/9552/70...All things being equal a non-recourse lender will require more down, higher interest rate, shorter term, etc. given that there only recourse is the collateral.