Based on your relationship with this tenant (and your personal opinion on dog breeds), you are choosing to shoulder that risk by adding some conditions to their tenancy. 

They'll also tell you the maximum number of homes per acre, minimum street width, and other restrictions.

Post the notice and begin eviction asap or you will be looking over your shoulder for the next 12 months waiting for them to demand their expensive stuff back.

It will be a weight lifted off your shoulders once you find one that answers the phone when you call and makes stuff happen.

Lease options can and should be used as a legitimate tool to help shoulder buyers become homeowners.

If I had a better head on my shoulders I would've been doing what I'm doing now a year after I purchased my first property and pushed hard to acquire more.

They give me some multi-syllable reply and I shrug my shoulders and have to decide whether to believe them or not. 

If you could JV with an experienced flipper, looking directly over their shoulder seeing how the execute it can be priceless.

He seems straightforward and the documents say my interest rate is "locked in," but I've heard horror stories of young investors having the terms skyrocket at the eleventh hour leaving them nothing to do but accept it or walk away from the deal (after having shouldered inspection and travel costs, etc.).

The width of the cracks will tell the story of whether it is serious or not.