Wont buy again

I bought like 5 starter kits when I just moved in my new house. I hated having to switch the batteries everytime. Batteries are so expensive and I have so many things to do.. after a while, two of the automatic sprayers started going crazy and wouldnt automatically spray, so I had to do it manually, and just totally forgot about them... it took me maybe 6 months to take all the refills out, I decided to use it manually, and threw out the machines. Never again