An annuity solves one specific problem well: turning a portion of savings into income that will not run out. If your concern is outliving your money, that is exactly the risk an annuity is designed to transfer.
It is a poor fit if you may need the whole balance in the near term, if you have not yet built an emergency reserve, or if you have not compared the guaranteed income to what a conservative withdrawal strategy would provide.
Read the surrender schedule before anything else. Understand the years during which withdrawals above the free amount cost you, and be clear about which parts of the contract are guaranteed and which are illustrated.
The usual right answer is a portion, not everything. Cover your fixed monthly expenses with guaranteed income, and keep the rest flexible.
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