What about using Intel ARC GPUs for encoding as they are all kinda made specifically for it, I don't use jellyfin but I got an Intel ARC B310 Eco used for like $45.
Looking at current prices it seems like it's around $120 now, was cheaper last year, but I still recommend looking into Intel GPUs.
Yeah I just pretty modern phones second hand for $200-300 every time mine starts to die, I found for my use case at least, that smaller phones tend to survive longer and are just much more comfortable to hold. I'm ready for the larger and larger phones trend to end already.
It was like 2 weeks ago, my friend and I, were remembering our younger years and how we loved the Galaxy S4, I had the mini version, best phone that ever existed.