You can get away with very little.
I have more channels, but for practice I just use BD + OHs most of the time.
If you have an iPad you can probably get most of all the things you want to play to from that. I use Spotify(combine Amazing Slowdowner with that), DrumJam and Pro Metronome.
It's going to change a lot over time.
Personally, I'm not a fan of any of those surfaces, especially mesh, but opinions differ.
If the plan is to play an acoustic kit I'd definetly recommend getting access to that sometimes. A snare doesn't need to be expensive and there's probably a room you...
I got it today.
Basically, it starts off with stickings and basic accent patters + some reading text, but they're written out from triplets to septulets.
Chapter 2 is your mixed subdivision stuff and Chapter 3 is hand independnce.
In my previous life as a guitar player this was something I noticed quite a bit.
It's so much about the inner dynamics that are just the complete opposite of a traditional jazz context.
It's really just about focused practice. No matter what you do around it that snare it has to be consistent...
Be aware of the song structure and being conscious of where you fill and why.
This is a straight pop song, so in general a crash is to mark a new section and a fill is to set up that crash unless it's part of a constant groove in a section.
Listen to the original. Memorizing and copy...