Our pool is similar in size to yours, maybe 2000 more gallons. We got our Autopilot 60 last year and love it. I can't say it will be the same for everyone because it appears there are a lot of factors, but it has been a breeze to maintain our pool since we got it. The water stayed beautiful all winter long and since we've had it we've added a total of about 2 gallons of acid and maybe a few cups of clarifier just for good measure. All testing has been excellent with the Pool Solutions test kit, which is a fine kit. We just added a 150 lbs of salt for the beginning of the warm season along with a few lbs of CA. I checked our cell the other day and it still looks brand spankin' new. I can't speak highly enough about it... best move we've made for convenience and ease of pool care.