Guides
Which setup fits how you drink and what you will spend, why the grinder comes first, what the numbers on a shot mean, and what to do the first morning.
Machines

Pressurized vs non-pressurized baskets: what's in the box, and which to use
What a dual-wall (pressurized) basket does, why the makers include it, when to use single-wall, which machines ship which, the basket sizes by machine, and the crema question.

Which espresso setup do I need? Grinder and machine, by how you drink
The two questions that choose a first home espresso setup, why the grinder is the first purchase, what thermoblock, PID, 54 mm and pressurized mean, and a grinder and machine for each of six situations.
Tools and care

Dialing in your first shot: 18 in, 36 out, 25 to 30 seconds
The starting recipe the makers publish, what the time tells you, which way to turn the grinder, how to taste sour vs bitter, pre-infusion, and the order to change things in.

Steaming milk at home: temperature, texture, and the pitcher
What a steam wand does, the 140–145 °F target the makers publish, stretching and texturing, the right pitcher size, automatic wands, and what to do with a machine that has no wand.

Water, cleaning and descaling: keeping the machine alive
Why scale forms and what it does, what water to use (and why never distilled alone), mineral packets, the difference between cleaning and descaling, the maker-prompted cycles, backflushing, and the daily minute.
