The guest stay with discount and toilet replacement did not cover the cost of the unit for the stay. i have the issue on occasion that the guest is expecting a bigger unit and thinks the price is high but they do not realize the value of the unit.  

Heirs and or assigns is included into it, and there is clause in it covering the "what-if" scenarios such as what-if seller is hit by a bus etc.. 

Hi Owen- Most others have covered the specific areas to consider.

I would agree with Chris, I would not use debt to cover all costs and then hope to get a good pop on the sale to cover all the debt, payments and still have some in the end to make a profit to do it again.

If one or more units are vacant, the remaining units often don’t provide enough cash flow to cover expenses, making it harder to meet operating costs.Maintenance costs: A fourplex comes with four times the appliances, plumbing, HVAC systems, and other components to maintain, leading to significantly higher repair and maintenance expenses than single-family homes.If you want to see the detailed calculation, read this BP blog - More Units Doesn’t Mean More Money—Why a Single-Family Home Can Beat a Fourplex.Resale value: Multi-family properties have a limited buyer pool—mainly investors—who base their offers on CAP rates.

This allows you to pivot when you can get a more favorable situation.Renting:Pros: Flexibility, less upfront cost, maintenance covered by landlord.Cons: Limited equity building, rising rents can strain affordability.Buying:Pros: Potential for long-term wealth building through equity and appreciation.

We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

House hacking lets you live in one unit and rent out the others, which can help cover your mortgage and generate some extra income.

Until then, hopefully you can charge enough to at least cover your expenses. 

Does the cost cover all portions or are there "upsales" where more "services" are provided?