solana-program-examples/accounts/rent

Rent

Ah, rent. Everybody's favorite thing to deal with.

Luckily, rent is much less daunting on Solana than in the real world (sorry, best we could do).

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Simply put, all storage on Solana costs rent. After all, this thing ain't free!

Rent is typically a small amount and if you load your account with enough rent for two years it's actually exempt! That's right: if your account holds more than the cost of rent for two years, that account is not charged any rent.

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Rent itself is based off of the size of the data you're seeking to store in the account.

Let's take a look.