Your membership level is dictated by the amount you have spent with AGA over the previous 365 days. Membership levels do not reset at the beginning of every year. You will retain your membership level benefits for as long as your total spend with AGA over the previous 365 days remains within the membership level threshold.
For example, assume you are starting at $0 and make the following purchases:
March 1st = $200
April 1st = $200
May 1st = $200
You would be entered into the Bronze membership level on May 1st. If you bought nothing else for the rest of the year, you would remain there until March 1st at which point you would have dropped below the $500 minimum yearly threshold. Conversely, if you continued to spend throughout the year and eclipsed $1,000 in total spend, you would then move into the Silver membership level, starting a new 365 day window. You can move up/down in membership levels throughout the year in this way.
You will only be awarded a new tier’s membership bonus points and/or discounts once per 365 days. As an example, if you move from Bronze to Silver membership levels, you will be awarded the AGA Loyalty Point bonus upon your entrance into Silver status. However, if you dip back into Bronze status for a period of time, and then spend enough to get back into Silver within 365 days, you will not be awarded the loyalty points again, though you will unlock all other Silver level benefits.