If yes then invest it, if not maybe consider using it as down paymentDownside of down payment is it will be less liquid so also understanding your overall financial picture should be considered

Our financial backing ensured the project's smooth execution, enabling us to complete the renovations and sell the property for $265,000.

I put 15% down for our deal, and it gives us more flexibility for the future- The template for the Contract for Deed is the general Contract for Deed for the state of MN (where I reside) - We are getting title insurance and ordered a title commitment to confirm there are no liens or claims on the property I feel like I've educated myself on different seller financing, and understand Contract for Deed protects the seller more than the buyer, so I understand why the seller is going that route, especially if selling Contract for Deeds is how they do their business.

Let’s say you invest $250,000 into a new business, and that business loses money.

Eager real estate invester

The tenant funds are returned and on their way back to the tenant, and the subscription funds are being returned to you.Your action has helped us prevent this issue for other business owners.

Everyone forgives and forgets and goes about their business. 

With that, (and regarding your Question #2) I think your expense line items and numbers will run very similar to what can be found in this BP blog: https://www.biggerpockets.com/member-blogs/3915/27972-analyzing-the-financials-of-a-self-storage-facilityYou'll have larger units, which typically means longer length of stay and lower turnover so your management/payroll expense could be lower.

This is not a one size fits all model, but to help others run their business!

It wasn't actually passive income, it was a part-time real estate business.