The list of products you'll need includes pressure treated lumber, composite decking boards, framing square, adhesive membrane, deck screws, deck screws for composite, a trigger tool, circular-saw, ...
OSB, or oriented strand board (a composite panel similar to plywood) is up a whopping 152%, from $170 a year ago to $428 currently. Lumber used for framing rose at rates from 46% to 65%.