Heck, if I was the tenant I would raise that question and at the time of renewal will remember being billed for the repair therefore not renewing my lease. 

Personally, I would let the brother know what you plan to do (raise rent to FMV at end of lease), find out if he intends to stay at full market rate, then screen appropriately if he wants to stay (the current lease doesn't get changed, he passes the normal background check, and pays full rent on the new lease he signs after the old one ends--or goes month-to-month).

Would you allow them to stay month to month but raise rent right away? 

Replaced the back porch/deck, painted inside and outside, put new carpet in it, added raised planter boxes and added plants around the front of the house.

What's up Miguel,First off, I am sorry for the text on phone, as you know we are raising those two boys ages 6,3.  

I've already raised my income threshold and credentials significantly, and I know several folks around are just keeping units off-market and going by word of mouth. 

And I wonder if banks will start raising the spread even if the feds don’t raise their rates much?

One month's rent is not likely to pass that test. 

The negatives I would imagine are frequent turnover of tenants, cost, and time for repairs.Is there any kind of other value add other than raising the rents? 

It is like raising children.