Starter kit idea: one 6–8 foot wooden stake, 20–30 feet of 14–18 AWG copper wire, a mallet
https://cristiangugz086.bearsfanteamshop.com/eco-friendly-farming-with-electroculture-less-water-more-yield
Starter kit idea: one 6–8 foot wooden stake, 20–30 feet of 14–18 AWG copper wire, a mallet, and weatherproof ties; install near tomatoes or squash and observe over a full season with careful notes.