Drop a bundle on (someone or something) phrase
To spend a large amount of money on someone or something
Parents drop a bundle on children's education in the hope of seeing their children successful.
Girls often drop a bundle on clothes and cosmetics.
The verb "drop" must be conjugated according to its tense.
The origin of this phrase is not clear.
Something has too many defects, problems or flaws.
Your essay has more holes than Swiss cheese.