This is primarily what makes their work product substantially lacking in correct English grammar, legal protections, timely professionalism and many other ways any Securities Attorney will point out to investors.

I know that the general guidance is that emergency funds aren't to be invested, but given our financial security and the fact that we already have a personal e-fund in a safe, non-volatile location, would it still be crazy/unwise to invest this 15k in an S&P500 index fund in a brokerage? 

It saved me when things got real (hello, crazy boyfriend with trust issues).Security Deposit: Non-NegotiableOne full month of rent as a security deposit (at the very least!)

Sellers may struggle to mentally shift from "owner" to "tenant," which can create challenges with boundaries and property care.Security Deposit:If you’re doing a temporary leaseback, be sure to collect a substantial security deposit to cover potential damages and ensure they vacate on time.

The tax benefits refer to the tax deductions from mortgage interest and property tax.The returns mainly rely on appreciation, and the cash flow only improves in the last few years, also depending on securing the 5% refinance rate.I've learned a lot from this forum, but as I start to operate on my own, I'm still not completely confident.

Loan Security: The property will serve as collateral for the seller-financed loan.

It isn't having paid off properties that offers security, there are still taxes, insurance, maintenance and management involved. 

It may feel cumbersome, but their diligence reflects the level of security and service you can expect once onboarded.

Here are some key elements to include:Lease Agreements: Ensure your contracts reflect the latest laws, such as notice periods for entry or rules around security deposits.Fair Housing Compliance: Familiarize yourself with federal, state, and local fair housing laws to avoid discriminatory practices.Property Standards: Regularly inspect your properties to ensure they meet safety and habitability standards.Tax Documentation: Keep accurate records to comply with tax reporting requirements.4.

If you have that experience, you probably don't need much marketing, as sellers will be reaching out to you directly.Focus on securing one listing at a time and building momentum.