In my experience small cracks in tub liners only get worse as they come under stresses when people use the tub to shower or bathe.

I bought a duplex in a D neighborhood that cash flowed really well but was too much of a headache and too much stress for me.  

Wait for the river to calm down and your journey will be less stressful and more productive.

I still have some rentals (cash only, I never get mortgages on investment properties), but you'll make more money and have less stress with seller financing houses.

This was for paying on time and not stressing me out.

Snap a few pictures of the damage and keep copies of the receipts as you should be anyways.Zero security deposit back, if he questions why, remind him about the plumbing repairs and stress to him, he's getting off lightly as the repairs were more than the remainder of security deposit.

No longer will you need to stress out about where you're going to get the money to fix the AC unit that no longer works, or the roof that's leaking."  

Have a nice long conversation with him about what risks are involved and please I can't stress this enough have an attorney draw you up some papers for this adventure.

Even at the most stressful times when I read posts on BP it makes me realize that my day job is just short term and as I continue to build my REI business the business will eventually allow me to leave the stressful 9-5 and live a prosperous and wealthy life!

Not to mention the time it will take away from you and the stress that it will add to your life.