The short answer is No, you don't need it.

At that point I dont know investing would make any sense, I have heard scary stories I was thinking about short term rentals but that needs constant cleaning after guests and conpetition is very high my friend spent almost 200k out of pockets to buy a property for airbnb and he got 17 bookings per year....

The bullet in the response that is standing out to me is:"(7) The accessory dwelling shall not be a short-term residential rental, as defined by City Code section 3-2-152(a)(2), for a period exceeding 120 days per calendar year."

The short answer is being a middleman between a buyer and seller and you keep the difference in price.

Every dollar that they short change a host for a repair is a dollar in their pocket. 

Once you have a short list, get an account with each one and run them through the wringer to see how they function.

Short answer: Yes, laundromats can be profitable, but profitability depends on a few factors.

It does eliminate the need to add chlorine but the chlorinators (Pentair IntelliChlor) have a fairly short lifespan.  

A lot of my clients buy in Alexandria because of the strong rental market and laid back laws on short and midterm rentals. 

closing time line or enter an option to purchase agreement which can easily run for a year.But 20 year amortization is very short.