そんなものを買う余裕はないよ。

such (about the actions of the listener, or about ideas expressed or understood by the listener); like that; that sort of

person

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to buy; to purchase; to value; to have a high opinion; to stir; to provoke

surplus; composure; margin; room; time; allowance; flexibility; scope; rope

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

not; emphatic suffix

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!