2) What main skills or knowledge should I focus on acquiring right now that would be beneficial for my current and future real estate investments?

Any list you can pull for a few bucks has already been hammered by hordes of investors before you.Not saying this way can't work, but I recommend a different path...I prefer to focus on sellers who have a reason to sell but who require some effort and skill to identify.My favorites are #TiredLandlords, namely owners who have filed an eviction lawsuit against their non-paying tenants.Many of these folks are through being in the rental business and are open to hearing about a way out.Even better, #TiredLandlords are ideal candidates for seller financing, since they don't need the sale proceeds to buy another house, PLUS they are already conditioned to receiving monthly payments over a period of time.

Good contractors charge a premium for their work , because we can , you are paying for our skill , our experience , and our relationships with our subs . 

I used to own a small property maintenance/handy-man company so I have some skills that I would be willing to barter with.

Your skills will be a great asset, and I can’t wait to see what’s ahead for you!

As the technology continues to progress and they continue to get things more dialed in, I do think it could help quickly build reasonable homes to address the housing shortage.

A successful partnership requires the following skillsets among its partners - Time, Money and experience.Which skills do you possess and which skills does your friend possess?

It has to be wholesalers, or investors that do volume and poses sales skills.

.😂  I’m not a skilled handyman,  but could be the worlds best helper if it benefits me. :-)

I as as business major in college decided to start a business combining our skills.