The cost of labor , materials , property taxes , inflation , interest rates  etc .

This should include potential rental income, expenses (including property taxes, insurance, maintenance, and potential vacancy), and your expected return on investment. 

Getting title and getting clean title for properties bought at tax auctions are two different things. 

something that seems to surprise new investors is that transacting real estate is expensive.in Pittsburgh transfer taxes are 5%, usually split between buyer and seller. 

Let's see: You sell one property, and to avoid paying cap gains tax, you then reinvest those profits within 45 days into a larger "like kind" property.

Keep in mind that property owners have experience significant hikes in their costs as well (property insurance and property taxes). 7.

And yes I have done one in 50 years in the industry.Facts:1. purchase contract and gave 50k up front to bring tax's current. 2. it was all cash no contingencies.3. seller just goes dark no response to anything.4.

As expenses fluctuate (property taxes, insurance, maintenance items, etc), the cash flow will be up and down and unreliable.

Have you seen the post that I was asking about Lamborghini to write off my Airbnb tax?

It is better suited to someone who loves Costa Rica and would like a property that they can spend a few months a year at if they would like and still cash flow after all maintenance and utilities and taxes.