First Option - If you are healthy or minor health conditions which are under control with medication then shopping around for the new policy makes more sense, as to your surprise you might be able to save upto 50% on premiums.
Second option: if the health is not in favor then you have no choice but to re-new with same insurance company without providing any medical evidence at higher premiums.
Third option: if the purpose of term policy has been met, you might like convert full or portion of policy into whole life policy for purposes like final expenses, estate preservation to pay probate taxes and other capital gain taxes and to leave money behind for the spouse to continue the life style on just his or her own old age income.