The vinyl is made most from recycled cars plastics mixed with lime stone. 

Typically it involves just stuffing insulation everywhere but it can involve - depending on budget and customer goals - other features such as eco friendly siding and eco friendly insulation (we used recycled blue jeans one time).If the house has been deemed historical by the City and you have to work with an Historical Committee, then you will have your hands full.

Another has had the electrical wires in the house 'recycled' to the extent that the electrical meter and main connection wire was removed to prevent a fire if turned on by accident or bypassed by the squatters. 

I went from $1500/month profit with those two paid off houses to 17k/month profit by scaling up by recycling equity to buy more and more properties without any out of pocket $ by leveraging.

It's a real estate investment strategy that allows investors to build a portfolio of rental properties over time by recycling the capital invested in one property into multiple deals.

.: Is he running a car repair business, recycling business of some sort.

In the Denver area it was almost an entirely cash market--we once received payment of nearly $50k, in one hundred dollar bills, in recycled baby wipe tubs.

For keeping things within budget, maybe look into using recycled materials or getting discounts for buying in bulk. 

You just gained $40k in equity, take the $40k and recycle it to buy another property (that's the repeat part of BRRRR method).

it is no news here that BRRRR is an awesome Real Estate strategy that build wealth and cash flow by recycling and growing capital. it is something investors have been doing for years and are still obviosly doing today.