If you can run a successful arbitrage business you can make a lot of money, and if you hedge your bets and put that money back into owning more assets then why not?

@Katie Berry  give them a choice of a month of gym membership or the rent credit you suggested. 

To be honest, if you have a solid team in place in the market of your choice, thats half the battle.

We are trying to make a choice between using Datazap (3.5¢) per name, vs REISkip (24¢) per name.

If you’re looking for more rental income and can manage multiple units, another multi-family property could be a good choice.

or you said my hypothesis is wrong, it has to be depreciate 27.5 years and no other choice. 

Often times inspectors overlooked them as they are very small and minor but as you can probably already tell, they are extremely important and prevent water intrusion.Your best bet would be to contact a very reputable Siding/roofing contractor and have them go through the entire property and put in the proper drippage flashings seals and caulking necessary and have them insure the work. 

If you’re just saying the survey cost of getting the existing building layout documented is too much, you might be able to get creative and avoid the costs, but it’s not a great bet to make. 

Our choice was to repaint and put in new carpet to replace the new carpet they damaged. 

On the other hand, if you can get a higher return on your investment property than the 7% you have on the mortgage or the mortgage interest rate on the investment property, then your money will be working harder for you in the investment property than paying off your primary residence.The choice is personal and unique to you.