What other strategies can be utilized to invest and to speed up the investing process in these expensive cities? 

(if i make an extra payment of 200dollars monthly...will pay off earlier by 7 years..so 61... or ..speed this up more?)

Investment Info:

Single-family residence fix & flip investment.

Purchase price: $137,000

Cash invested: $27,500

Sale price: $215,000

Did my 2nd flip in arlington tx

Best is oxidation ie UVC, o3, H2o2,  dry heat over 125 deg and plant based  surfactant cleaner all speeds up the process and is safe non toxic.mold test maine runs $75-100 sampled by generalist sent to  certified 3rd party microbiologist with quantitative test results over qualitative preferred. 30 or less CFU is expected range.if need court expert or Osha complaint  hire an industrial hygienist $450-600 per report. .i charge $85 ea.

I'm getting all my ducks in a row to start smashing it in the wholesaling space, reach out when you're ready and I'll get you up to speed on the market and find out what you're looking for so I can get you some deals!

Better rates than a hard money lender, better terms, better everything except closing speed.- Cash partners. 

I have the raw data in excel and am pretty good with excel, so maybe that will speed it up a little. 

Work hard, save up money, and yes, buying a house and utilizing extra rooms to house hack works well to increase the speed at which you will be ready to take a next step.

I went to the website for the property, and by booking different dates prices would change depending on if it was peak season or not. 

Having contractors on hand ready to start upon close of escrow would have helped speed up the process even more.