One of the best ways to grow your savings in Little Rock, AR, beyond getting the best interest rates from your bank, is to set-up an automatic savings plan. You can work with your bank to automatically take any amount from a checking account or a pay check that is direct deposited or from other accounts and add to your savings account each month. This way, you know your savings account is growing every month no matter what with the automatic amount plus the interest payments from your bank based on the bank rate. 
There are multiple ways for you to collect more money. You could open a high interest savings account or invest in a long term CD, but another method you may not have thought of would be investing in bonds. Bonds can help you save money in a different way than typical savings where you put the money in a bank and let it accrue interest. 