Please capitalize where necessary: complaints do not entitle buyer to a price reduction or cancellation of the agreement.
A: Complaints do not entitle BUYER to a price reduction or cancellation of the agreement.

Please capitalize where necessary: row 1 (= rs): work 2 sts in every st (i.e. in front and back loop of every st) = 6 sts.
A: Row 1 (= RS): Work 2 sts in every st (i.e. in front and back loop of every st) = 6 sts.

Please capitalize where necessary: however, depending on weather conditions during harvesting there are normally large variations over the years.
A: However, depending on weather conditions during harvesting there are normally large variations over the years.

Please capitalize where necessary: for all products excluding made-to-order items, orders may be cancelled for a full refund at any time until the order is shipped.
A:
For all products excluding Made-To-Order items, orders may be cancelled for a full refund at any time until the order is shipped.