You could do it with a hard money loan but it will cost an arm and a leg

So, with @Naveen Kumar's example, if you purchase an off-market property in an arm's length deal at 100K and have a 90K mortgage, but with some sweat equity and a month's work, an appraisal could peg it at 120K, will you be able to have that appraisal ordered and rate and term out of the purchase loan at 75% LTV? 

My team is armed with a list of vendors and expertise.

 #1 rule with cameras in STRs is that you need to explicitly let your guests know where those cameras are and what they are covering in your listing.  

If it is a short term hold, you could consider an ARM loan or an interest only.

You could do a DSCR ARM blanket loan if you want to access the equity on all 4 properties.

Make sure it explicitly explains the process for termination if you are unhappy with their services, but especially if they violate the terms of your agreement.3.

To find out about an area go to IREM.org search for ARM certified property managers.

He told me so, explicitly, over the phone...Can you advise?

Make sure it explicitly explains the process for termination if you are unhappy with their services, but especially if they violate the terms of your agreement.3.