He analyzes the data regularly and names the best locations to invest.

Sure if you dont have your own 3-5% down payment then yes use DPA if you really want to buy.After going over the pros and cons typically our FTHB'ers or first time home buyers end up getting a gift or bring in their own 1-2% down + 1-3% gift and end up with 3-5% down payment and borrow at regular FHA/conventional rates (avoid the DPA program rates).This is actual experience.

They use tools to monitor listings and may even check other booking sites to track this.

You should be able to refinance with any regular DSCR loan in this case.

I am happy with the regular distributions, always on time. 

- Having minor maintenance taken care of at no cost - Regular cleanings and maintenance so small issues don't become big issues- A hands off tenant who never bothers the landlord- A property maintained in new condition because it's in the tenant's interestI used to do primarily rental arbitrage but shifted to STR/MTR property management.

In addition to doing regular inspections as soon as someone gives notice due and immediate inspection to determine if the unit is being kept up decent or if you need to plan on some repairs before it is turned.

I ask because a lot of new investors are getting lured into the thought of them because you get paid by the government this alleged "guaranteed rent", but that's not really how it all works.The Section 8 website for your area or the larger one should have metrics per square foot for the area.I have one section 8 rental and 2 regular rentals.

Why not just do regular cashout refi ?  

Agree, Ring or some other camera monitoring  system, security systems will  have issues with alarms &  beeping and other issues which might be a nuisance for guests.