Why is getting karma so impossible?

I’ve been on Reddit for a little while now, and it feels like getting karma is almost impossible. I try to engage with posts, leave thoughtful comments, and even post in some subreddits, but it feels like no matter what I do, I can’t seem to get any traction. I understand that the Reddit community values quality content, but it’s so frustrating when you post something you think is decent and it just gets buried with no upvotes. I’ve seen people post low-effort content that gets way more attention, and it’s hard not to feel discouraged. I’ve also been trying to get karma by posting in places that require it, but I still can’t seem to break through. Is it just a matter of time, or am I missing something about how karma really works here?