A thousand things can derail a flip - changing market, underestimate expenses or overestimating income, mistakes, errors, contractor issues, permitting issues, just to name a few. 

I have had these issues myself.

No issue with Down pmt, CC etc. 

Technically what your mortgage broker is telling you is considered mortgage fraud.

Erp...Evolve..oh well.So there is a few issue here I think.

So, providing accurate and detailed information in your real estate listing is essential.To provide accurate and detailed information, follow these tips:Include information on the property’s size, location, and amenitiesMention any recent renovations or upgrades to convey the value addition that has gone into the propertyProvide information on the surrounding area, such as schools, parks, and shoppingBe honest and transparent about any issues or repairs that need to be made – nothing turns off a buyer faster than the feeling that they may have been lied toRemember, providing accurate and detailed information can help build trust with potential buyers and increase the chances of a successful sale.

Let the PM do their job and communicate with the PM only- these are the cases where you need to stay in touch with the PM ....but dont micromanage them.... but dont let them ignore the issue and let it snowball either.

Realtors are well versed in contract law and verbiage to help avoid issues during and after closing.Agents also work closely with the Bank/Lender to help the buyers and sellers close on time and without issues. 

I think $500 is generous considering the wear-and-tear and issues you are facing.

I am wary of regional banks after the issue last year where quite a few had to be bailed out in order for people to withdraw their funds.