Get no end of cars in all the time that have only had the bonnet
Lifted due to a non start situation.
Nobody wants to pay anything for anything, you get the odd customer that does.
Most the time dont give customers the choice of a cheaper part, odd job yes.
As for warning lights “it’s just a light, its been on six months, my retest for mot expires tomorrow”
“How many corners can you cut®” Helps a lot of the time.