Edit: I don't buy that a $60 dollar grinder will get you 80% of the way. The output of such cheap grinders that I have seen have very poor consistency. You're looking at low hundreds to get anything decent and even then you will have very clear differences when matched against a top end grinder.
Is a used Baratza Encore much more expensive than that? A new one is US$ 140:
* https://thewirecutter.com/reviews/the-best-coffee-grinder/
Obviously espresso is completely different, and agreed, you'd have to be at the mid-hundreds to get to a barely good-enough starting point.
That said, I prefer to buy grinded coffee. It's not perfect, but miles ahead of instant coffee. That's perfect combination of time/price/taste for me.
https://www.washingtonpost.com/news/wonk/wp/2014/07/14/almos...
This is because most American's don't have a kettle (at home or work). I think quite a few Europeans do.
It's also why so many (baking) recipes in the US measure (e.g.) flour in cups/volume: most people don't have scales.
* https://www.thespruceeats.com/how-to-brew-tea-water-temperat...
It's similar to coffee (93°C)
* https://www.scaa.org/PDF/resources/golden-cup-standard.pdf
I honestly don't know how they make it so bad, here in Europe even if I bought the cheapest box of supermarket tea (around 50c for 20 bags) and dunked it in a cup of warm water for 10 seconds it would taste better.
I do like certain types of those gourmet teas where you need a kettle for them. They're great, but I like something warm and I can have it everyday, especially in winter. I simply could not afford that with the teas.
For coffee, I pour hot water over my ground coffee until the pot underneath is full of coffee.
You have so many variations of brewing like pourover, drip, french press, espresso etc. and each of these methods has a ton of individual variables that affect the final product ranging such as water temp, bean freshness, grind coarseness and much more.
I am certainly not a coffee expert (I'm too lazy to actually dive into the world of craft coffee I just drink the free coffee at work) but I do enjoy espresso when I am out and love reading about coffee/brewing
I'm a fan of tea, ignorant about coffee.
Tea brewing generally has three variables: amount/proportion of leaves/water, water temperature, brewing time. With coffee, those three are still applicable. And there's a fourth variable: how finely one grinds it, and perhaps a fifth one: whether/what pressure to apply while brewing.
I usually don't even rinse oolongs/greens and it's fine. If you don't rinse your puerh, the first brew is just going to taste like a rinse. No big deal - enjoy the subsequent brews :)