Invitations are a great way for ShareGrid to grow organically. If you feel a friend or colleague would be a great addition to the community, simply click on your profile photo on the upper right hand corner of your screen, and 'Give $20 Get $20'. You can also follow this link:
Here you can enter email addresses to invite those you know to join the ShareGrid community. After someone you know signs up and then makes their first rental, you'll get $20 off your next rental of $100.