The country's continuous population growth, coupled with its high demand for urban housing, positions its real estate market for steady, long-term price increases.Over the past decade, cities like Berlin and Munich have seen remarkable growth in property values, with an increasing number of investors betting on the continued upward trend.

They say that their customers see a 30% increase in revenue but they don't make any guarantees.   

Also, HELOC rates are variable, so rising rates could increase your costs.The biggest challenge is timing.

They'll tap out in 3 months, max.Rates can increase.

In fact, I have still been increasing my monthly ask with turnover.I agree with what @Dena Puliatti said - it is not a cash flow play in Huntsville right now whatsoever, but more of a "break even" cash flow play for appreciation.Folks, there is a LOT of dysinformation on Bigger Pockets right now about the Huntsville and Madison areas in numerous BP threads right now - more than I have ever seen in the past. 

Quote from @Justin Brin: I created a heat map showing the population changes in each state over the past five years (2020–2024).The states experiencing the largest population increases are Florida, Texas, Utah, Arizona, and South Carolina.

The only two ways to rectify this are (1) purchase the property far below market price or (2) significantly increase the property net income usually through some method of “repositioning”. 

All of my contacts in the financial sector say bitcoin futures trading is going to explode in 2018, so I think a 500% increase in the next 13 months when the floodgates are open to institutional money isn't a huge stretch.

As long  the tenants pay the rent each month, increasing their rent will be very tough and getting them to leave will be extremely tough. 

I don't remember the exact cost when I did it but I remember thinking it was cheaper than expected.I didn't see a comment mentioning that you should just include utilities in the rent and increase it based off that so I'll be that guy.