Gaining exposure and getting new people to your profile every day is the most important thing for growth.
When you constantly bring in new people, you gain more followers, more potential customers and eventually more sales.
These are some of the best ways to gain profile visits, ranked in the order of effectivity.
Instagram recommends you to follow other people when you follow one person.
This list of recommendations is the SFY list.
It's one of the most powerful ways to grow on Instagram, and it requires almost no effort.