Factory Direct via Rakuten offers the FDW Offset 10-Foot Hanging Patio Umbrella in several colors (Red pictured) for $49.99. Apply coupon code "HOME20" to drop it to $39.99. With free shipping, that's the lowest price we could find by $10. (For further comparison, it's tied with the 2nd best price we've seen). It features an adjustable angle and crank operation.
One grocery chain is likely to save you more money than any other.