(idiomatic) Of stocks, to buy when both demand and price are low, so as to sell when demand and price are high.

(business, finance) Commonplace investment advice, recommending that a prospective investor purchase an asset at a low cost and sell it later for a high price.

Indicates the speaker wishes to buy the interlocutor a drink, in a bar.

Synonym of BOGO

(US, informal, humorous) Dismisses the mentioned thing as worthless or futile.

I don't want to buy anything

Third-person singular simple present indicative form of buy wolf tickets

Inexpensive goods and services tend to be inferior to more expensive ones.

Alternative form of buy when it snows, sell when it goes

(business, stock market, chiefly northern US and Canada) Stock market securities can be expected to increase in value to a greater degree in the cold winter months from November through April than in the warm months from May through October, and profit-minded investors should manage their portfolios accordingly.