Once you stop working and have decided to take up retirement, you also need to make sure that you have enough funds to fuel your living expenses and life a comfortable life. For this, a solid retirement plan is very necessary, and you need to start investing in one much earlier on in your life. Annuities is one such retirement option that can be very lucrative for you post retirement. Although annuities are slightly complex to understand, the right guidance from finance professionals will clear all your doubts. One of the most important tax benefits of annuities is that you can grow it on a tax-deferred basis.