I’ve used these and they work well. https://www.homedepot.com/p/E-Z-Ancor-Toggle-Lock-100-lbs-Ph...

Then provide them with a preferred vendor list, set up electronic locks and make the landlording a little more automated.

As a lender - 1) investors that are just starting out normally float towards high leverage/high rates lenders (lower margins and more risk); experienced investors normally go with lenders that can close fast, reliably, and with low fees.

Rather you should find a credible, reliable lender to partner with for your next deal. 

Schlage Encode is the most used and recommended lock for STR's.I saw were Airbnb announced direct integration with this one lock.

There is a ton more involved than BRRRRing a SFH - you have buying/developing, managing, operations, various softwares (RM, CRM), security (cameras, gates, lighting, signs, locks), lockouts...the list goes on.

I make secured and unsecured loans Loan amount: $2,000.00 – $20,000,000.00 Loan duration: 6 months – 30 years INTEREST RATE: 5.95% ANNUALLY Loan purpose: ALL Loan Type: ALL LTV: 85-95% NO PRE-PAYMENT PENALTY, FAST AND RELIABLE FINANCING.

Liquid and flexible, meaning accessible rather than 'locked up' in a house?

However, this probably wouldn’t have worked because with super high franchise fees the perception of potential franchisees would have been that the fee structure was too uncompetitive, and the result would have been that McDonalds would have had slower growth, and their competitors faster growth.Two other positive results of the McDonalds real estate strategy was (1) franchisees are more locked in since McDonalds is also their landlord (2) McDonalds was able to bypass legislation aimed at franchisors being able sell product at high prices to franchisees and (3) McDonalds benefits from the long term appreciation of real estate prices and inflation.

My coin drawer locks have been drilled out twice in the last 6 months.