Outsourced Sales Agency are acquired, the next step is merchant onboarding, which includes registration, documentation, training, and product listing. A seller onboarding agency helps businesses by simplifying this process through automated onboarding tools, training sessions, and dedicated support teams. They ensure that merchants understand platform policies, pricing structures, and fulfillment processes, making it easier for them to start selling. At its best, guerrilla marketing nets you direct offline exposure via foot traffic that can be as targeted as the location you choose, as well as word of mouth buzz through people talking about and sharing your marketing on Instagram, Snapchat, blogs, etc. online.