<human>:  How do start-up incubators work?
<bot>: Start-up incubators are a type of business accelerator. They provide resources to start-ups, such as office space, mentorship, and funding. They also provide access to other resources, such as legal advice, accounting services, and marketing assistance. Incubators are typically located in urban areas, and they provide a supportive environment for start-ups to grow and develop.