If the person is the "head of household" you cannot do it. 

If they meet your minimum criteria to rent, change the lease agreement with the signatures of all parties involved to reflect the new household make up.

On going, every November we give a grocery store gift card to each household one week prior to Thanksgiving. ($10)For our 8-plex apartment community, we established an area where tenants could garden.  

Everyone who will be living in the household who is 18 years or older.The more people on the lease, the better chance you have of collecting your money!

That is why I mentioned the importance of knowing the number of bedrooms, baths, size of property, and suitability for a large household.

The lady asked if the minimum salary was for an individual or household.

Every household can function without them just fine!

My household tax bracket is the top rate and I qualify for the Obamacare surcharge on rental income.

Someday I may break down and create an Excel spreadsheet for all the little categories and input it all that way, but for now, pencil and paper is faster for me.I do have some Excel spreadsheets set up for household budget, income and expense estimates, etc., but those are just for things that determine how much money goes into each account (one account for monthly expenses, one account for less-frequent expenses, savings account, etc.).Do I win something for being the most old school?

If you charge a higher rent because of the change in the make up of the household, you may find yourself in violation of fair housing laws.