Although for that much work, you could just buy from supply houses and save more anyways.

For many legislators, the term "flipping" is viewed negatively thanks to HGTV and other real estate reality TV, but improving properties creates jobs, employs local contractors, generates revenue for the local building supply industry, brings up property values and thereby property taxes, which helps local government and schools and of course, builds wealth for individuals who invest in our communities.

The supply is constrained by difficulties in zoning, regulations and other impediments to building new housing stock. 

- like for these under $50 home depot runs, supplies/tools that I buy on facebook marketplace/craigslist, or mileage runs that I don't have documentation for.

When our supply is limited to our surrounding area, we pay more.

Supply and demand, but with every article keep in mind how the numbers are reported/spun. 

It makes it easier to do touch ups and you might get a deal buying a large amount of supplies, but only replace them as needed. 

If 7.5 B is the problem, that represents a 9.3% increase over the 79.998970205 Billion https://data.ftb.ca.gov/PIT-Charts/Personal-Income-Tax-Liability-Column-Chart/5ss3-24b3 collected in income tax from Californians (at least in 2017)My share of that would be under $2,000, I can't imagine that your "fair" share is not bearable for you, although I remember the impact of mortgage payments took a while to get used to :).Why are we expectant that the top 30,000 earners in CA should pay for this state which has given me ample opportunity to put myself in a position to retire to where I want to live, and provided you with the ability to work/retire/live where you want to?

Need to source and deliver supplies to the machines every week.

One needs to think supply and demand.