Walk into any Goodwill. You will no doubt find their Christmas aisle fully stocked all year round.
Spirit Halloween probably makes most of its money on the expensive Halloween costumes that parents buy for each kid every year. Christmas doesn’t have any yearly cost item unless you get a real tree and those are already sold at temporary specialty shops
I got an 5800x3d and 64gb of ddr4. I see no need to jump up to a new CPU and invest in ddr5 memory yet. The performance benefit is only a few percent just isn’t worth the upgrade in my opinion