Amazon has Planet of the Apes Trilogy (4K Ultra HD + Blu-Ray + Digital) on sale for $16.99. Shipping is free w/ Amazon Prime or on orders $25+ or $35+ (minimum requirement varies by location)
Best Buy also has Planet of the Apes Trilogy (4K Ultra HD + Blu-Ray + Digital) on sale for $16.99. Shipping is free for My Best Buy Members ( free to join ) or on orders $35+