How would issuing a non renewal enable you to keep their deposit as they fulfilled the lease? 

In the future, consider an annual review and increase to stay close to market rates.I'd also point out that 'subsidy' can also mean 'enabling'.

OR, reaping the full capital of all, and deploying into a singular centralized MFH unit to than enable staff to run ALL day-2-day and really truly be hands-off/passive.

Partnering with a VA agency can assist in locating, vetting, onboarding, and monitoring your remote team member, enabling your business to thrive while ensuring a top-notch customer experience for your tenants.

Residential realtors - Residential realtors enable people to buy or sell homes.

A deep understanding of local market trends, property values, and various investment strategies is essential, as it enables agents to align properties with investors' specific goals.

Technology advancements such as email, phone calls, skype has enabled communication with a remote CPA to be seamless.

I especially love the Broker Agent Portal for Home Partners which enables you to invite people to apply via email and they keep you informed as to the status of your applicant.  

This will enable you to charge any interest rate you can get.It’s in your interest to use a CA broker since they will provide a separate set of eyes on your deal, and will also have access to vetted paperwork.

However, if you have talent in this area, you might be able to tackle it, assuming the expense of the project is justified to enable you to raise rents.