It's no different than anything else that people try to DIY: it can be done but beginner's mistakes will be made, the end product usually isn't as good as a professional would have done, and it usually takes longer and costs more. 

@Danielle Levy a lot of questions regarding your accusations:1) What are the average Days On Market (DOM) for rentals in this "hot" market?

Personally as an investor, we have recast our growth goals several times over the years, but ultimately if you invest for your lifestyle you don't need 100s of doors - that is actually counter productive.

Ok so a diff path then my previous post.I also wanted to invest in real estate but just assume( and bet is probably true) that most of the people that find truly good investments have  either or all of the following the most "average joes" don't:1.

It helps and makes things easier if you have a car, as well as some money to invest into your wholesaling business, but they aren’t necessary to start wholesaling.WHAT IS THE AVERAGE PROFIT ON A WHOLESALE DEAL?

In my experience, the average Section 8 resident behaves differently than the average market rate resident, and the government-backed rent is not worth the added hassle.  

We're fortunate to have an above-average income and live well below our means.This summer, we’ll be moving to Detroit (PCSing in August), and we’ve saved about $120,000 to invest in addition to having funds set aside for the home we’ll purchase in Detroit.The reason I’m posting is that I’m struggling to decide how to best allocate the $120k.

Median prices are up 4.2% year over year, and average prices are up 2.2% year over year.

If it is a high end housing product you may have to use a designer because they have access to some material/finish suppliers that are otherwise unavailable but that tends to only be for the highest end housing deliveries.

However, the average lifespan of companies is 10 to 18 years, so every private-sector job your tenants have will eventually disappear.