All guides
Written for people who already know what they want to compare.
Automatic litter boxes
Best Automatic Litter Boxes for Multiple Cats: What Actually MattersHow to choose a self-cleaning litter box when you have two or more cats: capacity, entry height, litter type, running costs and the models worth shortlisting.Updated 2026-09-23Litter-Robot Alternatives: What You Actually Give Up at Each Price PointA premium self-cleaning litter box costs three to five times a mid-range one. Here is exactly which capabilities disappear as the price drops, and which ones you will not miss.Updated 2026-09-23Automatic Litter Boxes for Large Cats: The Measurements That Decide ItMaine Coons, Ragdolls and other large breeds are the most common cause of returns in this category. The four measurements to take before you buy, and the models that fit.Updated 2026-09-23Automatic Litter Box Running Costs: The Two-Year Total Nobody PrintsPurchase price is the smallest part. How to work out litter, liners, trays and electricity over two years — and why the cheapest box often ends up the most expensive.Updated 2026-09-23How Many Litter Boxes for Three Cats? The Rule and Its ExceptionsThe n+1 rule, why it exists, where it breaks down in apartments, and what an automatic box does and does not replace in a multi-cat home.Updated 2026-09-23Self-Cleaning Litter Box Problems: Why Cats Refuse Them, and What Fixes ItNoise, movement, entry height, litter depth and a rushed transition are behind almost every rejected automatic litter box. How to diagnose which one you have, and what actually fixes it.Updated 2026-09-23Litter-Robot 4 vs PETKIT PuraMax 2: Which One for a Three-Cat HomeThe premium unit costs roughly twice the mid-range one. A straight comparison of capacity, per-cat tracking, running costs and repairability for a multi-cat household.Updated 2026-09-23
GPS & trackers
GPS Trackers for Cats: Range, Battery and the Subscription Nobody MentionsHow cat trackers actually differ — GPS versus radio homing, battery life in real use, and what the subscription costs after the first year.Updated 2026-09-23Cat Tracker Subscriptions: What You Actually Pay After Year OneGPS trackers are sold on the hardware price and paid for monthly. The three-year total for subscription and non-subscription trackers, and when each one makes sense.Updated 2026-09-23
Electronic dog doors
Electronic Dog Doors: What to Check Before You Cut a Hole in Your HouseInsulation loss, collar sensors versus microchip readers, power failure behaviour and the measurements that decide which electronic pet door fits.Updated 2026-09-23Microchip vs Collar-Sensor Pet Doors: Which Reader Suits Your AnimalMicrochip doors need no collar but read more slowly. Collar sensors are fast but depend on a battery your pet wears. How to choose, and what both do about wildlife.Updated 2026-09-23
Crates & car travel
Crash-Tested Dog Crates: What the Certification Actually Means"Travel safe" is a marketing phrase. Independent crash testing is a standard. How to tell them apart, and how to secure the crate so the rating still applies.Updated 2026-09-23Dog Car Safety: Crate, Harness or Barrier — and What Each One Actually DoesThe three ways to restrain a dog in a car, what independent crash testing covers, where each option fails, and how to fit them so the rating still means something.Updated 2026-09-23