Below are terms and a promo link (red font) for a Betterment $100 bonus.
The offer is valid only for new individual accounts with Betterment. To qualify for the bonus, you must make an initial deposit of $10,000 within 60 days of signup and not withdraw that initial deposit for 60 days. Your participation is subject to the following terms and agreements: This promotion is not valid with any other offers and is non-transferrable. Offer available to U.S. Residents only. Limit one per household. Betterment reserves the right to terminate this offer at any time, to limit account bonuses you are eligible to receive, and to refuse or recover any promotion award if Betterment determines that it was obtained under wrongful or fraudulent circumstances, that inaccurate or incomplete information was provided in opening the account, or that any terms of the Betterment Account Agreements have been violated.