I do not to keep a log for tax purposes, but I do keep track of my RV mileage.
In 2011, I purchased a mileage log book and have used it continuously.
Now that I am getting caught up and writing blog posts again, the information in my log book has helped me to reconstruct where I have been.
I am glad that I started and continue with this habit, I did notice a few missing entries, but I record everything close to 100%.
Everytime I stop (every rest stop, gas station, campground, park, etc) I record the odometer reading, where I am at, why I stopped, etc.
The book has pockets for gas and maintenance receipts. I also record oil changes, RV maintenance, etc.
It's a handy item for any RVer to have.
Another good organizer is the
This also has pockets to keep receipts handy