While spending is a monster in the inflation cages, the real rampant critter is the cost of moving, well, everything, whether by ship, rail, or truck, Biden virtually guaranteed on day one that that cost was going to increase.
At the root of the inflation we are experiencing is the surcharge for moving everything from raw materials to finished goods, and the increase in utility costs as part of the cost of production.
In this he guaranteed suffering for every American who can't vote themselves a raise from the public coffers.