Retirement - looking for savings ideas

wife and i will work till we are both at least 65 , so we can sign up for health care, and try to work till full SS income 66 years 4 months !, i work for time for a insurance company 30 years as an auto appraiser, and work part time at Home Depot 20 years, will most likely still part time at Depot as long as i can. have been looking to the cost to retire, healthcare expenses, taxes, monthly costs !!