Thankfully, both are producing solid income at the moment.

However it still produces very cold air and works fine at the moment.

Still putting your money/faith into a group that produces nothing for you? 

However, there are properties an hour or two away that are cheaper so I wouldn't use up all my savings and still produce cash flow.

Many have high producing income jobs.  

An appartment building may also not be the highest and best use for a commercial lot; might be better suited for hospitality, gas station, parmacy etc and produce more revenue this way.

It is too early to tell how this sector will perform, even after a vaccine is produced.

But still just couldn't move to the next level.After reading this book the second time I was struck by the story with the gold mine that stopped producing gold.

Producer Price Index.

Historically, my model has been to buy properties that have been mismanaged, and where there is value to add by bringing competent business/management skills to the asset to get it producing more efficiently.