They're probably mad already at not getting paid on their outstanding invoices. 

Previously, the seller relied on paper invoices and check payments.

Take it from someone who spent almost 20 years working for a global manufacturer, I have seen plenty of invoices from US Customs and Border Protection Agency issued to the US importer and then struggling to pass the cost on to the market.Why do we collect tariffs from the importer and not the exporter? 

Use a system that allows you to do the following 3 things: automatically charge a late fee, track all paid and unpaid invoices in a clear ledger, prevent tenants from paying partial payments.At this moment, you're also just asking about how to collect rent.

I would set up a system like what we have with chase which our auditors audit - we have one individual who puts in the invoice for approval and another person who approves it.

Your money should be wired to her business account if she has one.Last, with her approval of the invoices, you should pay the contractor.

That way the water company meter gives you a reading and you have an accurate submeter reading to break out the invoice and use that. 

We currently use Zapier to connect Guesty to Google Sheets for the client reports then to QBO to invoice but it's clunky.

Ensure you have an itemized invoice from the cleaner, which can help justify the deduction.Reasonable Deductions: Long-term tenants often leave normal wear and tear, so I recommend being lenient on minor issues.

I showed the documents and invoices to my home insurance and my title insurance, and they both denied coverage or compensation.