@SnoopJ grinding your own, even if just in a regular blade grinder (spice grinder type) is better than pre-ground. But if you’re looking for something small to start with the timemore c2 is pretty good.
For tea: I like this shop, they ship from CA and will be a touch nicer than most Chinatowns
https://www.wangfamilytea.com/product-page/sun-moon-lake-native-black-tea
Their roasted oolongs are also v good