1. buy in - Noun
2. buy in - Verb
amass so as to keep for future use or sale or for a particular occasion or use
Source: WordNetbuy-in
Wonderful, I like cars, too, I like all the great things you can buy in a department store. But when you have to buy them in order to stay unaware, comatose, then the price you pay is too high. Gudrun Ensslin
If you take 12 waters from the coconut - not the ones you buy in the store, although that's good - but the fresh coconuts, the little brown ones with the three eyes, if you take 12 of those within 24 hours, your blood will go back to the way it was when you were born. Dick Gregory
I play basketball to win a championship. That championship is everything to me. And thats what gets people to buy in to your brand - being a winner. Chris Paul
Jumping genes are fundamental because they're agents of change. Everybody knows that organisms evolve. What makes them evolve is that their genes are dynamic and in motion. A familiar example is the stripe-y corn - called Indian corn - that you buy in the fall. Nina Fedoroff
But a top down approach can take you only so far – even in a hierarchical organisation like an Army. I can impress my senior leaders with the need to change and give them clear guidance as to how to proceed but it is vital to get buy in at all levels of the organisation. David Morrison
Buy in the cheapest market and sell in the dearest. English Proverb