I've used CBD oil in both an e-cigarette and in lotion. I never used it in the e-cigarette for long enough to get any results, but in the lotion it works really well for pain. My boyfriend's grandmother loves it in the lotion, she gets really bad leg cramps at night.

If you're looking for oil to use in an e-cigarette, Cloud 9 Hemp is a good site, that's what I use. No worries about there being any THC in it, because they only make oil from hemp plants. Pricing is decent, and delivery is quick.

I don't know how available lotion would be to you, if you are in Florida, but if you can get it Apothecanna is a really good brand. They sell products with and without THC though, so it might be hard to find unless marijuana is recreationally legal in your state. It is, so far, my favorite brand though.