Of course, those both those things aren't always possible which is why you'll sometimes see price reductions at regularly scheduled intervals but that is somewhat dependent on the number of previous offers, showing history, repairs, etc.

If you are a bookkeeping client, I will have either prepared your books myself or checked over your work at quarterly intervals throughout the year at a rate of $25/hour so that in February, I already know your books are pristine and I can proceed with analysis, data entry, review and offering opinions for future tax savings (assuming we didn't do a tax forecast in the fall like we should have).  

The software I worked on also lets events recur at regular intervals, so you could enter one event once; set it to recur, say, every 30 days (or whatever custom period), and then you'd be able to see on an actual calendar a list of what your day, week, month, or year looked like at a glance.Is this for rental properties?

And a scaned copy of all invoices should be sent to you monthly, or at least at regular intervals.

Do you know the exceedence interval that estimate is from (e.g. 100-Year Flood = 1% chance of water reaching that elevation in a given year)?  

Rent was cheaper, we required photos and inspections at various intervals and we also listed out in the lease agreement a work schedule. 

There might be a ways around this if sell this in more than 6 months interval and sell less than 50% LLC interest each time.

The caps are important as each year you get an adjustment, the cap determines what that max adjustment can be at each interval.  

For each person interested I emailed them the additional photos and video walkthrough I had of the property and let them know that if they would like to see it to please send me their proof of funds PLUS proof of downpayment (since most will be hard money financing). 4 people responded and their proof of funds checked out so I scheduled them to view the property at 30-minute appointment intervals all on the same day.

GC gets progress payments for work that is completed at certain intervals (either halfway, 1/4" etc., or after bathroom, kitchen, etc).