As I got to know more investors, I learned many of them were regular people that worked hard, saved up, and invested.

The CMA is right on the sale price - My payments to the seller includes a 25 year amoritization rate, so my monthly "mortgage" to the seller(300k with interest) is greater than their current mortgage. (200k with the same interest rate)- Going the regular financing route (25% down) is not desirable since I would need to dip into my primary residence HELOC for the downpayment.

Did you get any kind of regular home warranty?

So far as actual days of the week, Mondays can be busy with regular operational items, weekly reports, weekend follow-up, etc but generally speaking Friday is much busier than Monday because teams are getting ready for weekend move-ins and more people come to see apartments Friday/Saturday than any other day of the week. 

Does a regular umbrella insurance covers STR?

Once occupancy permits are done, then you get a regular mortgage. 

We regularly update it.

(Please note that now that we are aware of this BS, we regularly kick these people out when we find them)

I recently lost my job, have about $150k in cash to invest, have a few cash flowing rental properties, and really want to use the $150 to maximize cash flow so I can avoid a regular job and focus on real estate and starting a new business. 

What happens if something spills and/or leaks under the floated flooring (like a cooking accident or the tenant getting wet out of the shower on a regular basis)?