 Be advised. This is your opportunity to save up to 40% to 80% on a hot tub or swim spa. This weekend only, Friday through Sunday, Angel of the Winds Arena, Everett. Be advised. This is your opportunity to save up to 40% to 80% on a hot tub or swim spa. This weekend only, Friday through Sunday, Angel of the Winds Arena, Everett. 18-month interest-free financing. Our factories have demanded we sell 1,000 hot tubs and swim spas this weekend. Angel of the Winds Arena, Everett. Huge factory incentives.