As to the previous post about gifts etc, and the maximum tax deductible gift is $25 per person per year.

He even paid for my tux, and but bought me a new suit as a wedding gift.

Clarification: My father gifted half ownership to 4 children one year and the remaining half the next year to avoid gift tax.

We started giving out $100 gift card to nearby grocery store as a way to say thank you to our awesome tenants.

I do not have the gift of mind control or mental telepathy, You may be a student of the Law of Attraction but I am a graduate of the Law of Business. 

When I got back to town, I took my friend out for dinner and gave him a gift certificate to his favorite store.  

You can gift it all at once.

I am fortunate that my father gifted me a single family house that I currently rent out.

We intersperse the giving of move-in gifts while going through the terms of the rental agreement, so that makes it more interesting.

Everything from leaving kool-aid sitting for a couple days to setting hot pots down to using it as a chopping board will mess up the finish.If you want to gift your tenants with hot pads and cutting boards, it might be workable, but I personally don't see how polyurethane is going to hold up.