To kill sugar ants, the first step is to identify where they are coming from. There are many different factors that can attract sugar ants, including food left out on counters or floors and moisture accumulated in cracks and gaps around windows, doors, and baseboards. Once you have determined the source of your sugar ant problem, you can take action to get rid of them for good. Some common methods include using homemade or store-bought chemical sprays and traps, applying natural repellents like peppermint oil or diatomaceous earth, and sealing off cracks in your home with caulk or expanding foam sealant. In addition, it's important to clean up any excess food particles that may be a breeding ground for these pesky pests. Overall, with some persistence and a little know-how, it's easy to banish those pesky sugar ants once and for all!