Just want to find a property that can sustain itself when I move out. 

Yes, the rent growth was more than 2% in the last 4 years but a) it's slowing down now and b) I think 4-5% rent growth this is not sustainable long term.

I know that sometimes my agent gets back to me in a timely manner and sometimes they don't.  

If anyone from Montana knows something about it let me know.Specifically, The residential landlord tenant act of 1977 states in section 70-24-321 (F) "Tenant shall conduct oneself and require other persons on the premises with the tenants consent to conduct themselves in a manner that will not disturb the tenants neighbors' peaceful enjoyment of the premises."

Challenges could include:Having the population to make it a sustainable day-to-day venture.Finding quality staff is tough these days, don't care what you pay them.Breakdowns/serviceInclement weatherPennies on the dollar at exit If the truck does say, 1000 bucks and after labor/cost of goods the operator's left with 500 - 600, then has commissary expenses and a possible split with a partner(s)Ehhhhh...burnout.There were dozens of trucks here 5 years ago and only a handful have really survived the grind. 

SAVE money so you will have a "grabstake" to begin investing withFrom the vantage point of my 40 years involved in real estate investing, I offer these conclusions.First, for almost everyone, a true education in business, investing and or real estate is required for sustainable long term success as a real estate investor.  

My goal is to develop beautiful, affordable, sustainable houses in B neighborhoods.  

I mean, there's a whole other side of it making sure you get a property that can sustain the numbers and there are different risk factor levels of course, but for what you're asking--it's all about the numbers.

Reason why this is important is because you want to make sure that rent is sustainable.

The barrier is not technological capability - there are 10s of thousands such buildings in Europe {search on Passivhaus} - but lack of will (economic and political).Equally important, and potentially more difficult problem to solve, is retrofitting of existing building stock to achieve significant energy use reductions in a cost effective manner.