If you talk about the quantity or standard of goods an amount of money buys, you are referring to the price of the goods or the value of the money. 买得到
noun [具体名词]买进
I was conned into buying a useless car. 我上当受骗买了辆不能用的汽车。
verb [vt. 及物动词]购买;获得;收买(buy 的 ing 形式)
We were warned off buying the house. 有人劝我们不要购买这所房子。