What articles, videos and books can you recommend so I can educate myself and learn from my mistake? 

(First they came for the Big Gulps)https://www.bloomberg.com/news/articles/2020-01-27/nyc-apartment-building-sales-plunge-after-rent-rules-dent-values

Such as...I don't have time to physically do this on my own!

On a side note - Came across your recent article about parting ways with Bigger Pockets. 

According to the Pennsylvania Landlord Tenant Act of 1951, Section 250.201:Real property, including any personal property thereon, may be leased for a term of not more than three years by a landlord or his agent to a tenant or his agent, by oral or written contract or agreement.Source: https://casetext.com/statute/pennsylvania-statutes/statutes-unconsolidated/title-68-ps-real-and-personal-property/chapter-8-landlord-and-tenant/landlord-and-tenant-act-of-1951/article-ii-creation-of-leases-statute-of-frauds-mortgaging-of-leaseholds/section-250201-leases-for-not-more-than-three-yearsI’d consult with a local landlord-tenant attorney in your state and confirm, but it seems pretty clear cut. 

I've been listening to Bigger Pockets, reading articles, and attending 1-2 real estate meetups a month for a year, networking as much as possible along the way.

That article I linked above had a bit about basement bedrooms.

Hello,Is it common for the investor to be responsible for physically transporting supplies such as carpet and flooring to the job site or will a good GC do this?

I’ve done some research via articles and podcasts (thank you bigger pockets) and feel all that’s left Is to jump in.

https://www.wlky.com/article/beecher-terrace-rebuild-taking-shape-in-louisville/30681669This will make ripples!