However, here we are through the 1st quarter of 2020, and the S&P500 down nearly 30%. 

Using the concepts from these books we do the following:We define our vision, core value & focus- At the beginning of the year we take a weekend and evaluate if we need to make any adjustments then we establish targets/goals and "Big Rocks" for the yearOnce per quarter we take a day or a weekend off and review/discuss our goals for the quarterOnce per week we shut down for 4 hours and discuss issuesThat's how we address what I think you call business needs.Regarding systems- For us, systems are not independent of business needs.

end of year monthly quarterly, how much of this bonus have you received this year?

If an investor who sold a capital asset planned to roll over the gain into an Opportunity Fund and the 180-day deadline to do so falls between April 1 and July 15, 2020, he or she can make the investment as late as July 15.Also, sole proprietors who pay quarterly estimated taxes now have until July 15 to file their second quarter payment.

For small rentals, 1-4 units, I think you'll see weak hands shaken out over the next couple of quarters.

You limit your downside risk because even if the value plummets, all you owe is monthly (or quarterly or yearly) rent. 

This is proportional to the water use, but I would assume $120/quarter until you have some actuals.

This would also be my third and fourth property

Purchase a fourth set of locks and keep them available.

Seems like you could offer investors 10% quarterly or set them up for monthly cash flow.