noun, noun or participle which takes 'suru'
buying in small quantities; small-scale purchasing
Refers to purchasing items in small amounts, often as opposed to bulk buying. Can be used as a noun or with する to mean 'to buy in small quantities'.
まとめ買いより小買いのほうが無駄が少ない。
Buying in small quantities results in less waste than bulk buying.
必要な分だけ小買い
I make it a point to buy only what I need in small amounts.