Basically, these are lands that technically qualify as Sending sites, but that have issues such that nobody really wants to build there.

I wasn’t prepared to lose so much of my savings as carrying cost basically I paid for the tenants to live there for 3 months + my own living expenses in that time.

I was specifically interested in his 2nd plan which was "Building wealth through single-family homes" where he basically says you save enough to buy your first property along with enough for other fees and then you just keep saving the money you make from that property along with some money you save from your job and once you have enough money you buy your next property and then you basically just keep repeating that until you have your desired amount of properties.

Yes, I’ve got a mortgage on it now, but my cash flow went from only $1000/month to $2400/month and I picked up 3 more properties basically for free with no out of pocket cash to buy them. 

One fire they had lit under and under pass and weakened it and it failed :)  Also they burn up their RVs and campers pretty often then the basic tent fire...

Rentals was not a thought to me in those days I was a land flipper.. had absolutely no interest in being a landlord.. and basically still dont to this day :) yes I have some rentals for tax purposes but not really for wealth building purposes.

It will familiarize you with the basic terminology and benefits.

The upgrade basically put a target on my back with the fire marshall as he came by to inspect the work and found that there were a few compliance issues.

Left me feeling like a basically have a retail/fulfillment person on my team so I'm a big fan and would recommend giving them a shot, especially if you're in a similar position as I was: Needing to furnish an STR quickly and cost-efficiently. 

Basically a pre-nup agreement.