These will eat away at any "cashflow" you may have.2.Tenant Issues: Properties in certain areas may face challenges with tenant behavior, making it tough to maintain the house long-term.

So additionally, that there's only 30 days to close and it eats up time for an inspector to schedule time to come.Do you allow inspections of your contracts?

We plan to remove them all to protect from tax increases on our current primary, but I am afraid that now that the other properties won't have homesteads, we may see skyrocketing tax bills and it will eat into already small cash flow from rental income.Does anyone have advice for how to handle this situation other than just increasing rent?

All of that eats into profit. 

Hoping (SD) rental amounts have increased and renting it out/refinance if able/eating the cost. 4.

That means, when they are damaged it doesn't eat up the whole security deposit leaving more money to cover other damages better protecting me. 3.

Because if you think about it if it appreciates 400k over 15 years that's a long way off of eating 9k in cash flow.

I would say for most people, the 1st position heloc is no a good bet, especially if you have a 1st mortgage rate of less than 5%.Using this strategy with a 2nd position heloc can be just as powerful, so you can have your cake and eat it too!

Easy check-in, check-out, no frills, I'm going to eat out anyway. 

A lot of investors find that expenses like repairs, vacancies, and capital improvements can eat into their margins, especially early on.