I live in a row style house in Philly, which I just measured and turns out to be 14' in width.

Where in CO are you aiming to do the flip?

Kyle, my first stop on a reading list would be Frank Gallinelli - What every real estate investor needs to know about cash flow and 36 other key financial measures.

The aim is to buy properties under $30,000 with cash and lease out the properties for a positive cash-flow. 

Pick one that you are confident (to some extent) and measure risk.  

We were able to execute the plan by performing renovations on over 21% of the units, push rents to market rates, perform cost cutting measures, etc... to increase the value and go full cycle selling the property this year for a nice profit in just 15 months (The market timing helped). 

If your competition is closing in 7-10 days then you should aim for that as well.

the Wedi system is pretty nice to work with, the shower bases are very expensive. the bases can be cut to size but measure twice and cut once because you don't want to screw it up.

Me and the Mrs are buying a house, and we aim to do this by the end of 2021.

(we're aiming to win the bid for around 760k and the condo is only worth 900-1m, so after paying 6 months of arrears and closing costs we're only going to be about a little over 100k under market value, so it's not the most exciting spread - but the good news is it won't attract as much competition, and in this market it's getting harder and harder to find properties under market value especially in areas like Wailea) Like I said, I currently have a loan with ASB on a condo I bought at the court house, but my partner on this deal got her financing commitment from Elite Lending - so I don't know which bank she got a commitment from but that tells me there may be more than one willing to do it..