noun
advance purchase; buying in advance; preemption
Refers to buying something ahead of time, often to secure it before others or before a price increase. Can be used in contexts like ticket sales, limited items, or speculative buying.
人気の新作ゲームを先買いした。
I bought the popular new game in advance.
先買いしておけば、値上がりを気にしなくていい。
If you buy in advance, you don't have to worry about price increases.
Compound of 先 (saki, 'ahead, before') and 買い (kai, 'buying'), the nominalized form of 買う (kau, 'to buy').