If they say wait to extract highest I wish them well and bow out.

The stocks take up none of my time and still compound over time allowing for 4% withdrawals. 

Something else worth understanding is the difference between saving interest on a fixed loan versus investing and getting compounding interest. 

It just takes time to build up your network, but it will compound itself. 

Didn't see this in the list, but you don't have to spray it with water unless you want all of the compound off with it so that you can (attempt) to have perfectly smooth ceilings.

Another option is to leave the popcorn ceiling in place and skim coat it with joint compound.

Using simple interest (non-compounding) that’s about 17% per year return.

Owning real estate is expensive and 1 or 2 vacancies can wipe out the reserves pretty quickly.My advice to you would be, whatever money you make from rental properties, either keep it in the account or use it to buy more real estate, aka commit to use the concept of compound interest on these investment dollars for at least 2-3 years.

We always try to be accommodating when reasonable and possible, but also make it clear that we are working with them to have a happy existence and that we don't bow to demands. 

So what is the most accurate way to compare these two “investments” when considering appropriately compounded interest from investments/future value/etc.?