But I see other seniors in my building with gambling problems (lots of Indian casinos around here), who smoke cigarettes and/or pot, who spend their money at the local bar, going out to eat, buying new clothes, etc.  

What are you smoking right now??

I am thinking I will do "LDS standards" which means no drinking, smoking, ect.  

Additional Thought:When you take possession do a Crime Free/ Drug Free Addendum for all tenants signed and returned in 3 days.Give bad tenant the 30 day notice to vacate.If you notice activity of drug smoke smell anytime in the 30 day notice to vacate period , give him a lease violation notice, that you will file for cause unless  he agrees to vacate within 7 days.

And we said we were doing a maintenance check and would be checking smoke detector batteries.  

Not sure what type of 'smoking finance' deal you are getting, but 5% amortized interest would be $430 for the PI part.2)  "Turnkey" does not usually mean:  Need new roof.  

They all smoked.

Dad and son smoking..

For example, in California, a smoke detector must be inside every sleeping area and must operate on a 10 year battery.

Bigger Pockets had a previous built lease that had some very strong clauses in it such as the smoking policy and turnover of keys.