Of course, there are several heavy oil producing countries, such as Venezuela and Russia, who need high crude oil prices to sustain their weak economies.  

.- The most successful investors will be the ones who invested in SUSTAINABLE sources of competitive advantage.

Because the town is really a "single industry" town with much of the employment focused on the base, I have concerns about the long-term sustainability. 

Fort Knox itself has sustainability as a post and continues to grow little by little.

Pro-tip #3: Make sure your market size is big enough (at least 200 targets) and that you can sustain a campaign for at least 4+ mailings.

My family has taught me a couple general rules to follow, they are not always easy to follow, but if you do you should come out smelling like roses. 1) Location Location Location2) Buy low, sell high3) The property must be a sustainable investment at the least, and provide a good return monthly at best.

It has created sustainable income that provides for my family. 

A business needs to always be promoting to create and sustain both growth and income.Real Estate Investors, whether current, budding or those considering, need to learn that success depends 100% on building a profitable business.Almost EVERY newbie I see come here - and too many of the long-timers - bring with them a disturbing lack of financial savvy and business acumen, yet they want to "be their own boss", "fire their boss", replace their salary, build a REI business.

I told her I thought a business model that involved burning down houses in the hood in order to buy them didn't sound sustainable.

.- Referenceshttp://www.dir.ca.gov/dlse/faq_independentcontractor.htmhttp://www.mftb.com/news-and-events/california-court-of-appeal-expands-general-contractor-liability-for-jobsite-injuries-sustained-by-employees-of-subcontractors-and-subtier-subcontractors/