OP clearly states that it's about the active staff accounts. The concern is still valid -- they claim 3 months of excess before attempting an upgrade but give

OP clearly states that it's about the active staff accounts. The concern is still valid -- they claim 3 months of excess before attempting an upgrade but give 7 days warning as soon as you go over the staff limit? They should either limit the staff amounts or give you longer than 7 days.