Changes to the tax code are inevitable because our government can't keep increasing the national debt indefinitely.  

All second home riders and occupancy affidavits have similar wording for second homes, but a lender can't tell you how to use the property indefinitely. 

My advice is to keep at and before you know it this asset would sit on your REO schedule and pay you indefinitely.

If you've lived in that property for 2 out of the 5 years prior to sale and haven't claimed that exemption within the last two years then you would qualify.So think about that - You get some money tax free and the rest you 1031 into new investment property and the profit on that is indefinitely tax deferred!!!

For housing I doubt they could make him rent to you indefinitely but would you want to?

The tenant was aware at the time that we wouldn't necessarily rent beyond a year, but wants to stay for now, but likely won't stay indefinitely. 

I use a variation on Buffett's strategy to avoid paying any meaningful tax on my stock portfolio.1) I invest primarily in high growth stocks and ETFs so currently taxable dividends are minimized.2) I only invest in securities I intend to hold indefinitely so currently taxable capital gains are minimized.

I'm wondering if this a shift due to covid and current debt markets or a new requirement I should factor in going forward indefinitely. 

For example, in the event you have access to hard money or private money partners, you could always go borrow the money to cover purchase price and rehab costs, then rent and refinance only to pay off that original private money partner, get NO MONEY back out of the deal, and repeat this indefinitely.

Depending on who your lender is, they may require you to have an official letter from your employer stating that you can work remotely indefinitely.