If you don't hear from them before Aug 1 (ie July 31 when they should contact you to ask for keys), check if utilities were put in their name and if not, then Aug 2, tell them that you are re-listing it and the lease is null and void.

But the lease is your key question. 

Marketing is key and also leaving some meat on the bone for another investor helps sell it (unless it's fully turn key, which can be attractive for a 1031 exchange specifically). 

However, the key to house hacking the first one is living as small as possible so you can earn the most.

I use the locks and keys that came with the bank foreclosure. 

Also, building strong relationships with your investors and maintaining open communication is key to establishing trust.Your deal structure looks promising, and with your background, I'm sure you'll do well in this new venture.

However, as an agent and investor, we understand an accept that our payout comes with time- however for a project manager realistically looking for a 1099, being paid at the time of work is key to making sure you have the right person on your team.Is there realistically a way that you can create your projections of net profit on a project (in a scale format from X$ to Y$) and find a happy medium in there of expected net profit, and carve out your PM budget there?

The home is turn key with a new roof, furnace, floors, AC unit and paint inside and out within the past few years.

Lennar, for example, has introduced  incentives to the table, because Fort Myers and North Fort Myers area (the one developing now) are not a key migration market.

Balance cost and quality—high-end finishes aren’t always necessary.The key to making the most impactful upgrades is understanding what buyers in your area want.