I bought a moka pot in January because the office coffee had become an act of self-harm. That was the whole plan. A moka pot, some pre-ground supermarket beans, done. It is now April and there is a burr grinder on the worktop that cost more than my first laptop, and I want to explain how that happened, mostly as a warning.
The thing nobody tells you, or rather the thing everybody tells you and you ignore, is that the grinder matters more than the brewer. You can make a decent cup with a cheap pot and a good grind. You cannot rescue a good pot with a bad grind. The pre-ground bags go stale within days of opening and the particle size is whatever the factory felt like that morning. Once I'd tasted the difference from grinding fresh, there was no going back, which is exactly the trap.
The first grinder was a £30 blade thing. A blade grinder doesn't grind, it chops, and it chops unevenly: you get dust and boulders in the same spoonful, and the dust over-extracts whilst the boulders under-extract, so the cup is bitter and sour at once. I'd accidentally engineered the worst of both.
So I read. This was the mistake. There is an entire internet of people who weigh their beans to a tenth of a gram and photograph the spent puck, and reading them is like reading benchmark threads: you start out wanting "good enough" and end up convinced you need a thing with conical burrs and stepless adjustment. I held out for about a fortnight.
The grinder I landed on has proper burrs, which crush the bean to a consistent size rather than smashing it, and that consistency is the whole game. The cup is genuinely, repeatably better. Not subtly. I can hand someone the moka pot coffee now and they notice, which is more than I can say for most upgrades I've made to anything.
The honest accounting: the moka pot was a tenner, the beans are a few quid a bag, and the grinder undid all of that frugality in a single click of the buy button. But I drink the result every morning, which is a better hit rate than most of my purchases manage. If you're tempted, my advice is the same advice I ignored: buy the grinder first, keep the cheap brewer, and do not, under any circumstances, start reading the forums.