A micro-recorder works well, too. Of course, you need to carry blank tapes with you, but they're small. Take notes between sites. Just write it on a 3X5 card and photograph that along with the plastic sign. Many of those years as a professional photographer.
Tripods are an absolute nightmare to carry and keep up with.
There are other ways to get a stable picture. Minimal help, but better than nothing. Use a cable release with this. Get the large one. You can carry it in your hip pocket.