As Stuart mentioned, there are several issues that might arise with the property, which could definitely impact your cash flow. 

If paying off your mortgage early is a priority, recasting might not be the best option.Not Available for All Loans: As mentioned earlier, government-backed loans are generally ineligible for recasting, and not all lenders offer this option.Who Should Consider Mortgage Recasting?

Quote from @Brian Malavsky: Totally agree with everyone else and I didn’t see anyone mention an “Umbrella Policy” I just got quoted this week for $1,000,000 coverage for only $350/yr.

There was no mention or remorse for past declarations, which were pretty set in stone per the loan offer and his communication.

You didn't mention what kind of law you're practicing. 

The price is $6,213 (that includes everything mentioned.)

The reason is because the companies that back these assets, and some others, have a 1:1 between their tokens and the USD (I'm unfamiliar if EURS, THKD, and stables of other fiat offer 1:1).A possible scenario would be that you offer the seller to pay in a stable coin, like mentioned above.

I agree with everything mentioned by Carlos.  

The reason I mentioned it is to make sure he has a 401k and not an IRA..

Oklahoma as a whole has strong rental demand in many markets, just need to be mindful of the price-to-rent balance, as you mentioned.