The trades are lined up but we're responsible for the dumpster, temporary fence, and portable john.

Send me an email and I will tell you my opinion on this issues.  

You visit the lender to their office, talk to them directly and input the number, don't ask via email.

There are several options for skip tracing to find phone numbers and email addresses.

Add a temporary mailbox so they can validate the property.

And I would also encourage you to communicate in writing if at all possible whether it's text or email. 

If there is ever a question or issue their support gets back to me by email. 

Their study found that focusing on a single tactic can lead to a 21% increase in sales productivity​ (Zendesk)​.ROI from Consistency:MarketingSherpa's Email Marketing Benchmark Report highlights that consistency in lead generation efforts yields higher returns.

A suggestion could be help them find temporary housing, such as a rental or a motel, and possibly cover the first month’s rent.

This is a direct conversation from my email about this exactly (names and companies withheld of course):Me: This is Under contract-accepting backup offers on the MLS so does not make sense it is here also (in a wholesale email).Them: We have it under contract.Me: Yeah but why would anyone buy something from you that was on the MLS and they could have bought direct?