The BRRRR method requires careful planning, thorough research, and sound financial judgment.

If it’s a safety issue, I’ll of course make sure the premises are as safe as they were before any required maintenance was done, but she is now suggesting that if I don’t reimburse her for those specific anchors, I am violating fair housing laws for familial status and/or tenants rights regarding not incurring costs for required repairs.

Some require complete disclosure but some do not.

I'm in the position to apply(depending on lender DTI requirement) for conventional financing through the builder at <6% interest rate in this current market.

definitely . id check with the local municipality as well for further info on the requirements  

Hire an attorney to provide the required notices about his serious breaches of the lease agreement and file the eviction case.

I can do 80% no reserves required if that works for you! 

Those are the requirements of a happy customer.

Are online lease agreements enough to protect me and my assets? 

I have been looking online, but can't seem to find decent houses within the areas I have been searching in.