A great book on the overall subject is Jonathan Tepper’s “The Myth of Capitalism: Monopolies and the Death of Capitalism”.

Most sellers only care if you close so you can usually use another form of capital stack other than what is on the agreement, however, the seller can force you to use the originally agreed-upon payment method. 

I'm currently building up capital for future ventures and properties that I find on market, as well as attempting to find the best brokerage where I can work under an individual who is already more established.

Working on my financial fundamentals, namely saving enough free capital to invest.

If you’re selling and you’re going to buy another rental no matter what, if you probably do a 1031 unless you have almost no capital gain or depreciation capture.

If you can save money and renovate and the ARV allows you to pull your intial capital out sooner, I say go for it!

Person new to real estate trying to get in the “game” with little or no capital and trying creatively.  

Because the chances of successfully concluding a wholesale transaction when you lack experience, knowledge and capital are so infinitesimally small that you’d be better off playing the lottery.  

For instance if I’m looking at potential capital expenditures over the next 5 years and the range of the cost is between $25k and $75k, I would use $75k in my projections.

I have focused my research on house hacking due to the lower upfront capital requirements with an FHA loan.