I no longer wanted to have a single source of income.  

Remain dedicated to your objectives and keep learning as you go, regardless of whether your emphasis is home hacking for passive income, using the BRRRR approach to generate wealth, or flipping houses for rapid cash.Please feel free to join in conversations and ask questions on BiggerPockets—the community has a plethora of expertise. 

If, in principle, I can make it so that I have extra income left over after deducting all expenses, I have a positive cash flow.

If inflation impacts your income, it should impact your expenses.

These are also great, but are generally going to be on the other end of the affordability spectrum from the above, and the rents/incomes reflect that.Regardless even if the restaurant goes dark, there are a couple good things to owning a restaurant building.1) single tenant free standing building are the top of what retail tenants are looking for. 

A down payment of at least 10% is advisable unless you have strong cash flow from stable income sources.

It will return the best investment a on a daily basis reading our advanced in house analytics that calculate income and expenses for every property on the market every day. 

It connects my airbnb and VRBO calendars, offers automated messaging, smart lock integration, cleaning calendar/reminders, and offers pretty good income reports.

The question you should be asking is1) What type of liability exposure would I be generating and will an LLC or Corp be suited for that.If you don't plan to own the property, I can't anticipate a piece of paper causing much liability, if any at all.2) What type of income would the tax liens be generating and would an LLC or corp minimize the taxes.

My spouse Luba at that point was very tired of these living conditions, the income instability, and the investment in the house, which she felt was my personal big mistake.