To them, it doesn't even matter if things get "worse" for a while. Their life is already meeting every economic headwind imaginable.
On the other hand Trump will deliver on another, implicit promise to them, which is inflict pain and suffering on a great deal of people they dislike for whatever reason.
More people making under 50K per year voted for Trump in 2024 than voted for Harris.
Your numbers are off.
And despite economic prosperity being the cornerstone of his 2024 campaign, somehow it isn't anymore. Now his supporters have pivoted to this idea that we must all live in a kind of austerity so that collectively (waves hands around) we enter a new age of American prosperity. Literally this sea change in MAGA sentiment has happened in the last six weeks. It's baffling.