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When the quote and the invoice finally agree
For a lot of shops, the tax line on a quote is a small guess with big consequences. Here is how we made it match what QuickBooks would actually invoice, down to the cent.

Every shop owner knows the feeling. You spend an hour building a quote. The line items are right, the labor is right, the margin is exactly where you want it. Then you reach the tax line and you stop.
What rate do you put? The one from the last job in that town? The state number you half remember? You type in something that looks close, you send it, and you move on. It works. Most of the time.
Until the day it doesn't.
A customer signs off on a quote and the job runs clean. Then the invoice goes out and the tax is forty dollars higher than what they agreed to, because the site sat in a different county with a different rate. Now you get to pick your poison. You call the customer to explain why the number went up, which is a conversation nobody enjoys, or you quietly eat the forty dollars to keep things smooth. Do that across enough jobs and the guessing turns into real money.
Here is the frustrating part. The right answer existed the whole time. If you run QuickBooks, it already knows the exact tax for any address. It has to, because that is how it bills. The math was never the problem. The problem was that the math lived in one place and the quote lived in another, and a person in the middle was stitching the two together by hand.
So we removed the person in the middle.
Let QuickBooks do the part it is good at
In Coeffection, every quote type now has a Tax setting. You open Admin, go to Entity Types, pick your Quote type, and choose how tax gets calculated.
Choose QuickBooks, and here is what happens when you send a quote. Coeffection takes the address of the property attached to the quote and asks QuickBooks the same question your invoice would ask. What is the tax here? QuickBooks answers with the exact rate its Automated Sales Tax engine would use, and that figure lands on the quote. The number your customer approves is the number they pay. No surprise on the invoice, no awkward phone call, no forty dollars walking out the door.
If you would rather not route tax through QuickBooks, you have two other paths. Set a manual rate and it applies everywhere. Or set it to none for the work that is not taxed. And when a single job needs its own number, you can still type a rate directly on that quote, and it wins over everything else.
Why a tax line is really about trust
It would be easy to file this under small conveniences. It is not one. A quote is a promise. When the promise you make and the bill you send finally say the same thing, two good things happen at once. You stop losing margin in the gaps, and you stop having the little conversations that quietly wear down a customer's confidence in you.
That thread runs through most of what we build here. Your business already knows the right answer. Our job is to stop making you retype it.
QuickBooks tax switches on for a company the moment their QuickBooks is connected. Manual and None are ready for everyone today.