Once we got the invoice for services performed, we were charged 20.00 per per one 40 lbs bag of water softener pellets, for a total of three bags for 60 dollars. 

I'll send you the invoice for the $3,500 I just saved you. :) 

A lot of state don’t allow a landlord to charge for their Rome, only for bills/invoices actually paid….state law rules, you can google them up. 

At the end of the year, you send a balancing refund or invoice to make things whole. 

One of my PMs use a portfolio app service where all that invoice information is stored to which I have full time access.

There are certain triggers with the government, and knowing what these are has significantly reduced inquiries.Best thing you can do as a taxpayer is keep good records, invoices, cancelled checks, time logs (if necessary), financials, etc.

The best ones never asked for any payment until the job was complete and invoiced.

Roofstock is refusing to move on unless we produce "invoices and pictures". 

Ideally when their invoices are submitted so you can verify the invoiced scope is accurately completed. 

If you intend to clean/repair using funds from the deposit, you should hire a professional to handle it and provide invoices.