Your first day in a new hobby, you can't tell the difference between the good thing and the thing that looks like the good thing. Every category has its butterfly and its pigeon. Here's how to spot them across the categories where Day 1 confusion costs the most.
The $40 Amazon speaker with 4.4 stars and a hexagonal design is the pigeon. Inside is a 1.5W mono driver. The actually-good entry-level Bluetooth speakers — Sonos Roam ($180), JBL Flip ($130), Audioengine A2+ ($270 wired) — sound like a different category. The reviews are real but the rating algorithm doesn't distinguish 4.4 stars from people who've never heard a real speaker from 4.4 stars from audio reviewers.
The $7 cone-shaped dripper on Amazon labeled "pour over coffee" is a pigeon. Inside, the rib geometry is wrong, the hole sizing is wrong, and the brew is uneven. The actual Hario V60 02 is $20-25 and the brew quality difference is dramatic. The pigeon version makes coffee that tastes like cheap motel coffee no matter what beans you use.
Walk into r/EDC and ask about a $20 multi-tool. The answer is unanimous: it'll break in your hand. The Leatherman Wave+ ($110) lasts 25 years. The pigeon version lasts six months and then strips a screw inside the pliers. The math, over 5 years of ownership, is that you pay LESS by spending more upfront.
Hario is the V60. Leatherman is the multi-tool. Sonos and KEF are entry-level audiophile. The pigeons piggyback on the category-name with similar shapes + different innards. The 30-second test before buying: search Reddit for the product name + "vs." and read the first comment thread.