I guess my main concern is the rising interest rates we'll be seeing soon if things keep going the way they are, so I'm wondering about locking down a couple more cashflowing properties.I know it depends on individual goals, but I guess I'm wondering what you guys would do if in the same position.

Spend your time on activities that actually generate income.20K might be enough to get into a property, depending on the details.

@Kyle Eckert When you send bulk mail, depending upon the size of postcard, your postage for standard pre-sorted mail should be between .24 and .29 per piece.

Depending on your location in Cincinnati, @George Emmons offers PM services.

It depends on where the damage is what you would be looking at for cost but everyone is hedging there bets by saying I can't see what id's in the walls.

It all depends on the area this commercial property is located in.

it depends on how many units you have it can be anything from an on call handyman that you pay by the hour or a live on property maintenance person who gets reduced rent for the job

(Oil too, depending on the furnace).

Quality of flooring as with everything else...depends on your investment strategy (buy+hold, flip, etc), market, neighborhood, condition of competing rentals, what rental rate you're asking,...For typical rental, if you're buy and hold in a working class neighborhood, as had already been suggested, I use traffic master allure wood look alike laminate flooring.  

Depends on the lender, check your Loan Agreement, depending on the term and purpose of the loan, it will specify either monthly payments or a balloon at refi.Read anything on BP, they have the resources you are seeking