The Sell MY Car Long Island retail cash out center is open Monday- Friday from 8am to 9pm, Saturday from 9am to 6pm and Sundays from 11am-5pm and conveniently located at East Hills Chrysler Jeep Dodge of Long Island at 2300 Northern Boulevard, Roslyn, NY 11548.br Interested sellers can visit to get an idea of the value of their used car buy using the online appraisal tool or call a member of the Sell My Car Long Island cash out center team at 888-678-4704 before visiting their Long Island location.br Sell MY Car Locations like this are hoped to open across the country.