As for the stops along the I-5 between Canada and Mexico, here are a few more to add to your list:
Redding, CA is known for its scenic beauty and outdoor activities.
Ashland, OR is a great stop for its unique shopping and dining experiences.
Grants Pass, OR is another great place for outdoor activities and scenic beauty.
And for overnight parking, you might want to check out RV parks and campgrounds along the way. Some popular options include:
KOA campgrounds
Elks Lodges
National Forest Service campgrounds
I hope this helps and have a great time on your road trip! And if you're interested in learning more about business valuation, you can check out this link:
https://www.successionresource.com/valuation. Good luck!