This is day to day spending, rent collection, tax/utility payments etc. (1) account for all security deposits, (1) account for parachute fund, capex items etc.

Stop hanging out with your deadbeat buddies who spend all day drinking, talking sports, and otherwise wasting away.

Keep in mind most travelers are unwilling to spend more than $2400 with most around the $1600-1800 range.What I have found is that travel nurses often want to spend at little as possible so they can pocket the stipend. 

I have heard that it's a good idea to form an LLC as an added layer of liability protection.

I’d join the brokerage that is the best fit personality wise for you and spend all my spare time networking.

What should I expect to spend?

Second is that you can be disciplined enough to take the money that is left over and not spend it on "stuff" so that you can have it to put down on your next property that you are going to house hack and that you will do it when you get to your next destination this summer or fall.

But in my experience, you would be better off spending that same amount of time/hustle working a second part-time job with guaranteed income, then investing in buy-and-hold properties. 

But on this specific guy, I jumped on a call to explore the program and it was a high pressure sales call, it did not feel organic, not trustworthy and certainly did not feel the right fit.Why would someone spend 10k on a so niched-down space of real estate when they can get someone for the same amount to teach him/her everything?  

I would  show you purchase strategies, real estate monetization, rent roll leveraging, portfolio margining and asset protection/deep tax deductions