Nearby refinery Suncor is still active and is in the news often for having malfunctions and releasing unsafe levels of the same gas once used to kill death row inmates (hydrogen cyanide) into the air, causing residents to “shelter in place”, as well as dumping waste into the South Platte.

Unlikely to be a vent issue unless there's an air admittance valve rather than a proper vent and it's malfunctioning. 

We sold a property just as we found that both the washer & dryer were starting to malfunction & the dishwasher had to have been a '70's beta edition.Those 'helping them' to move removed the washer/dryer & old dishwasher, but left the newer fridge?? 

Tenant agrees to allow Landlord timely access to premises to do maintenance and repair.Tenant will notify Landlord in a timely manner of any damages or problems as they arise, including damages caused by Tenant, malfunction of appliances or fixtures, and water/moisture leaks and spots.Tenant will take care of the premises, keeping them clean and clear of debris.

Landlord is not liable for any interruption or malfunction of service.

LOL I am thinking maybe control board issue where the board is malfunctioning and cutting the flame off??

The blower fan motor (and/or the capacitor that starts the fan spinning) malfunctions.

I've now had shingles blow off roofs, pipes break, sumps malfunction, hail damage, fire, etc.

And there are often water issues with high water tables, rainy weather and malfunctioning sump pumps.Of all the properties that we have only one has finished space in the basement and that existed before we bought the property.

One or more professional inspectors should look for defects or malfunctions in the building's structure, such as the roof, plumbing, or foundation, and detect pest infestations or dry rot and similar damage.