Part of the fun is seing everything for the first time. However, if you have already passed thru Mexico in an auto on the mainland and then also thru Baja California, then maybe you'll agree that B.C. is much more pleasant as to weather, scenery, friendliness of the residents, and population density (B.C. in places there's nary a soul for miles). God it's beautiful and rustic, especially the spooky forests of boojum cactus at dusk, even as you cycle along the main N.-S. highway (that main highway is a good, not to say excellent paved road, has potholes). We went in cool March, best time to travel is early evenings very little traffic between towns and cooler. Beaches, deep sea fishing.
We carried "chlorine" tablets, (should have had a filter). Sun was intense. Products hecho en Mexico are good quality, except for their suntan lotion , would advise packing in lots of your own. The food was excellent everywhere, Eve said she liked it too, from restaurants, cafeterias, and local taco stands.
AAA had good maps, reliable lodging dining guides, and info on legal papers needed for foreign tourists. We were not campers, except once by emergency, IOW via credit card.
