I am an investor in Surrey BC and recently had a tenant pass away in a basement suite at one of my properties.

I'm competent with Excel and occasionally build worksheets to model an investment, but the speed and simplicity of a basic financial calculator can't be beaten. 

If you want to develop a base of passive income start "doing" real estate at you will learn here at Bigger Pockets

The difference in price vs a basic fridge is $200-300. 

I.e. just a basic error not anything malicious. 

Easier to clean a basement than a master bath.

You would charge them 50% of the cost for the living room, hallway, and master and nothing for the other two bedrooms.That's a basic rule of thumb and there are always exceptions.

I kept it in the garage thinking it would be useful if a basic white dishwasher failed in one of our other units.

I just went through this with a basement unit in East Nash.

I wonder which countries managed to create a logic-based tax system.Yet there's a basic principle in the US tax law: overhead expenses of operating a business are deductible in the year they are incurred, regardless of income.