As far as keeping track of who deposited what, you can just have them write an invoice number on the check, or money order.

Also if you decide to convert the property to a long-term rental the improvements may be added to your capital basis & depreciated over time.Track Expenses by Account - Helpful for reconciling bank accounts & credit card accountsSave receipts/invoices of contractors#2 Liabilities / Outstanding Loan BalancesIf you are using outside funding, you will also want to keep track of your outstanding loan balances that you owe for each property.You can do all of this in an Excel spreadsheet by just creating columns for Category, Vendor, & Accounts. 

Are all my invoices uploaded to my owner portal?

You need: 1) a solid, foolproof way to estimate so you actually make money, 2) a comprehensive and exhaustive Scope Of Work, 3) a good looking Proposal, 4) a legal Contract for your state that protects both you and the customer, 5) Change orders that document both cost and time increases, 6) professional invoices and receipts, 7) all the appropriate lien releases etc.Actually knowing to be the perfect carpenter comes a distant second......

Dang!

He's licensed and has his own company on the side, with invoices and everything, but he can't generate enough work on his own and thus has to work for a larger company most of the time.The technicians working for these companies are often licensed, but don't have the people skills or marketing skills necessary to operate on their own. 

I think it is only fair to get our tenants a working stove and refrigerator as fast as we can without worrying about trying to save money and every time we call an appliance repair man they want almost as much as an appliance costs to repair one.As you see in the WDC invoice.

If you feel there's a chance the tenant will fight you, I recommend you hire a professional company so you have an invoice and a third-party witness.

I paid less than $1000 for a similar repair, about a year ago.Did you get some detail on the invoice, or just the bottom line?

We could look at 2, maybe 3 companies, but bundle the payments into 1 invoice to achieve both beat pricing and easy of business.