There are alternatives to chemicals. Diatomaceous earth may work for you, but as with any advice on this matter, investigate and use common sense. I am not an expert. Diatomaceous earth actually works mechanically instead of chemically, cutting fleas open. Build Better Business is for you.
Lunch is complimentary.
Relatively little walking is involved. Bill Hunley will meet us at the Peaks of Otter Visitor Center for a stroll around Abbot Lake. Expect high elevation woodland birds. Some light walking is involved. Expect a long, fun day.