Most supply shops sell a boxed "starter kit" somewhere in the $90–150 range. I've bought one of those boxes before, and when I later priced out the same components individually, I came out ahead by close to half. Bundling isn't a scam exactly — you're paying for someone to pick the parts and put them in one box — but if you're comfortable buying five separate items instead of one, you can put together a setup that makes the same beer for around $50. Here's how I'd do it if I were starting over.
Why the bundled box costs more
Starter kits are convenient, and convenience is a real thing you can pay for. But a lot of what's in the box is generic housewares and lab-grade plastic that you can source separately for less: a plastic bucket, a spoon, a thermometer, a small vial of chemical. None of it needs to come from a homebrewing-specific supplier to work. The markup exists because the shop is selling you curation, not the parts themselves — and if you already know what the five or six essential items are, you're paying for something you don't need.
The kettle: $0–15
You need something that can hold and boil at least 2–3 gallons of liquid without boiling over the second it starts rolling. A large stockpot does this job exactly as well as a copper-bottomed "brew kettle" that costs three times as much. If you already own a stockpot big enough for a pot of soup for a crowd, you own a brew kettle — use it. If you don't, check a secondhand shop or a restaurant-supply store before buying new; stainless stockpots show up used constantly because most home cooks don't need one that big and it just takes up cabinet space. Realistically: $0 if you already have one, $10–15 for a decent secondhand pot. This is the single best place to cut a corner, because the pot's job is just holding liquid over heat — it has zero effect on flavor.
The fermenter: $10–15
A food-grade plastic bucket with a lid, a grommet drilled for an airlock, and the airlock itself. This is not a place to improvise with a container that wasn't built for the job — food-grade plastic matters because cheaper plastics can leach flavors or, worse, aren't cleanable enough to keep bacteria out. The good news is that a bucket-with-grommet-and-airlock setup is inexpensive on its own merits; you're not cutting a corner here so much as picking the naturally cheap option. Buckets like this typically run $10–15, and mine has outlasted three moves and is still in use.
The hydrometer: $8–12
A basic glass hydrometer with a plastic test jar is the only reliable way to know your beer's specific gravity, which is the only reliable way to know when fermentation is done. Airlock activity slowing down is a hint, not a confirmation — gravity readings that hold steady across two or three days are the actual signal. This is cheap enough, and important enough, that there's no version of a $50 kit that should skip it. Budget $8–12 for a basic model; you don't need a digital one or anything with a fancier read-out to get an accurate number.
Thermometer, spoon, and sanitizer: $12–18 combined
A simple thermometer that can handle near-boiling liquid runs $5–8 — a basic instant-read kitchen thermometer is fine as long as its range covers up to at least 212°F. A long spoon, stainless steel or food-grade plastic so it can be sanitized between uses, is $3–5; you likely already own something that qualifies. The last piece is a small bottle of concentrated no-rinse sanitizer, which is $6–10 depending on size and, because you dilute it heavily before use, lasts for dozens of batches even in its smallest bottle. Sanitizer is the other item where I wouldn't cut a corner or substitute something improvised like diluted bleach — it's cheap enough on its own that there's no real savings to chase, and it's the one product standing between you and an infected batch.
Running total
Secondhand stockpot ($10) + fermenting bucket with grommet and airlock ($12) + hydrometer ($10) + thermometer ($6) + spoon ($4) + sanitizer ($8) lands right around $50, give or take a few dollars depending on what you already have sitting in a kitchen cabinet. If you already own a stockpot and a stirring spoon — and most kitchens do — you're closer to $35–40 for the parts that are actually specific to brewing.
What this kit can't do, and why that's fine
This setup won't give you precise temperature control, it won't make bottling day fast, and it won't look impressive next to a stainless conical fermenter. None of that determines whether the beer tastes good. Fermentation temperature swings a little more in a bucket than in an insulated vessel, bottling with a spoon and patience takes longer than a bottling bucket with a spigot, and none of that shows up in the glass in a way most people would notice. Expensive equipment refines a process that already works — it doesn't create the flavor in the first place. That comes from the ingredients, sanitation, and patience, all of which this $50 kit supports just fine.