Could be a sign of a potential leak.

Out of that, they have to cover their expenses like E&O insurance, Realtor association fees, MLS fees, and all the expenses that come along with being an independent contractor like health insurance, car insurance, vehicle maintenance and gas, clothing, laptop, phone, etc. 

When she passed her unit had no kitchen as there was a leak and the kitchen had to be ripped out.

Just keep killing them, they’ll go away..the issue with the tub/shower is most likely the gasket in the valve is leaking buy.  

Roof, windows, doors, garage doors, gas forced air furnaces, AC heat pumps, appliances(stove, dishwasher, fridge may have been replaced, but still dated), and toilets all original, so about 30 years old.

I do know that is it has R1 zoning, but not sure where to start to find out about running electric/gas/septic etc.

About the only "flourish" we saw, was a Speedway gas station opening up, right off the grounds of the boats.

Sales also increased 13% at gas stations, showing that Americans got back on the road and visited their favorite realtives.

It was hell but it had to be done as the plumbing sprung a slow leak on a clawfoot tub and it was impossible to access the plumbing with the tub in place, and the floor and wall had to be cut to make repairs. 

Once you deduct the income taxes you pay, software to stay open, potential office rent, insurance, gas / vehicle expenses, etc. you quickly see how it's just plain difficult to see where a PM makes money here.