Worst case you sell 2 to regular buyers and the last one on auction or to a wholesaler.

There are some crazy, super complex strategies that could theoretically work, but it's a long shot.

How long does their property turns usually take?  

There's typically a time limit to how long that lasts, but the fact is this agent helped you and is considered the "procuring cause" of the deal, so you should honor that and ensure they are paid.It was unethical of you to approach the buyer and try to cut out the agent, and it is definitely unethical of the seller, which makes me question whether the seller is someone you want to deal with. 

So, just as could be expected, MD legislature introduced a bill last year that would outlaw the wholesaling.

If you want 10% returns you might have to look in another market, but if you want to park some money in a solid property, as long as it generates enough to break even after all expenses, taxes, etc. to allow you to hold on to it for 5-10 years I'd bet it will do better in the long run than a 10% cash flow property in a lower end market. 

Forever is a long time.

Tenant who has been in property for 6 months came to us and wants to break his year long lease to move into another house in the same neighborhood.

My primary goal is long term appreciation and I'll accept a property that breaks even on cash flow.

I have one property that I bought last year for $475kCurrent value is $520kInterest rate 6.75%loan amount is $352,000 (I put 25% down when I bought it)Monthly P/I escrow is $2680Rents for $2400im debating putting 100k on the loan and recasting it. this will lower the payment roughly $650 a month and will make it cash flow.