Does anyone know of a good Trucking Accounting software for an single owner operator
that is easy and a reasonable price.?

My husband and I Were doing this calculations by hand, it was a bless that we found this spreadsheet/excel add-in.
We can not thank them enough for taking the time to simplify all these work in a spreadsheet form.
You get link access to DAT data current prices per mile for Van, Reefer, Flatbed, Industry Trend lines, etc.
This is their website below, I hope it helps.

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https://www.eyerideonline.com/ all the way. They're the only tracker that I'd suggest in this category. You don't get any more reliable than this. It's the number one tracker in my mind when reliability is a must.

Just use an old school pen and paper.. These softwares are shit.
You cant trust them for Jack!

I have used trucknpro www.foglinesoftware.com for a number of years. There are several versions. Company drivers. Owner operator. Small fleet owner. I looked a a number of programs and prefer trucknpro. It is simple to use and inexpensive. I believe that you can download a copy to try before buying.

If you need help, I can do it. I still have an accounting degree, even if it's not at the professional level. For small businesses or for individual interpreters, as I had learned, there is a need for platforms like ThePayStubs. Their principle of operation consists in the fact that you can simply carry a statistic of all calculations and receipts or expenses of money. You can use what I have proposed here, that is what I use, or you can try to create your own platform, if in the future you want to develop a successful business

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https://www.thepaystubs.com/

Thank you so much. I"m so much glad to know more about this trucking software.

I remember there was some website or program that simplified the processing of various documents, including Accounting Software, but unfortunately I don't remember what it's called, and I'm too lazy to look for it.

Yes, I can help you with this, if your location is the USA or Canada then you can opt the services by TruckSmartz. They provide many features in their software that you'll love and are easy to use. All your things will be managed from one place.