We have lots of automated processes - All online rent collections, inquiries, signature requests, and late fees.

Usually when wholesalers can't find a buyer before the close, they will try and get an extension.

Otherwise, weigh your options with estimated vacancy and remodeling time, but how you may be able to mitigate losses longer-term with the higher rents you'll presumably be able to collect with new tenants. 

Once you have a shortlist, sign up for an account with each one and test them extensively to see how they function.

Like aircraft checklists and vehicle operators manuals (the -10s), one can benefit from extensive research, trial and error, and deliberate improvement principles gained by the many that have gone the path before. 

Quote from @Bob Stevens: Quote from @Henry Lazerow: In higher crime areas you can still find 1% but it comes with less actual rent collection/costlier issues.  

It's an investment into the property, and if/when they move out or even if they're there you can now add a traditional dryer to the property and collect additional rent.

It was the most extensive list (92 companies) I could find.

It sounds like you have a solid system with clear communication on extensions and vacancy openings.

I don’t tend to do much plumbing drawings, especially when it get complex or extensive.