du sparst

save, save up

→ sparen
spar to save, to save up + st you (singular) present
verb · 2nd-person singular, present tense Rare #46,336
save, save up With a person and an object, it can mean to save that person something, as in “save yourself time.”
GE: Wenn du zu Fuß gehst, sparst du Geld.
EN: If you walk, you save money.
Conjugation of sparen
Indicative present
SingularPlural
First spare sparen
Second sparst spart
Third spart sparen

Du sparst Dir dabei einen Weg.

That way, you save yourself a trip.

— State and Main (2000)

Je weniger du ausgibst, um so mehr sparst du.

The less you spend, the more you save.

Je weniger du ausgibst, desto mehr sparst du.

The less you spend, the more you save.

Du sparst dir eine Menge Zeit, wenn du das Auto nimmst.

You'll save a lot of time by taking the car.