The phrase "to get in" means to enter or access something. It can be used literally, such as entering a building through a door or figuratively, such as gaining entry into a group or organization.
I understand the challenges most of us have with getting in touch with our pelvic floor, and I know how difficult it is to find the right advice and guidance. (invigophysio.com)
Be very glad you didn't get in on this particular IPO, hot shot. (wisestockbuyer.com)
Cutting in front of other surfers who are up and riding is a quick way of getting yourself in trouble with the locals. (surfing-waves.com)