Yes, you can use proceeds from multiple exchanges and buy into a single replacement property (WATCH the timing though - as as soon as you close on your first relinquished property then you are on the clock).  

You can watch podcasts #116 "How To Quit Your Job Through Wholesaling Flipping And Taking Action @Nasar Elararbi. 

I also recommend reading blogs and forums or watching videos on how to develop a good roommate contract, house rules, etc.

As you read these books, watch the BiggerPockets podcasts.

I'm particularly passionate about growing quickly from SFRs into Multi-family and currently developing tools to source and assess deals.Outside of real estate, I enjoy long-form conversations with brilliant people, or at least watching them when there aren't other people around to converse with.

I bought some tools, watched YouTube videos, and saved thousands on the remodel.

It's unsettling to think that someone may have been watching our clean-out person that day.

You are watching too much content on social media.

Does anybody have any advice on this subject, anything I should watch out for, is a lawyer necessary, does everyone have to sign the deed, or is it a straightforward process I can do myself?

In the inner City those neighborhoods tend to be densely populated with residents who own their homes and when there is a vacancy the home is normally purchased and flipped by investors watching the MLS like a hawk.