Squandering : waste (something, especially money or time) in a reckless and foolish manner. Saving : an economy of or reduction in money, time, or another resource. Collecting : bring or gather together (a number of things). Hoarding : a large board in a public place, used to display advertisements. Discarding : get rid of (someone or something) as no longer useful or desirable.
Antonym of Squandering is Saving