Though it is, in my view unreasonably deferential to the office of the president, the ruling makes it very clear Trump does not have immunity for things like falsifying the records of his private business and refusing to turn over classified documents when he wasn’t president.
A cursory reading of the decision (PDF), and most reporting on it do suggest that it allows the president to sell pardons. Clarity that it does not can be found in a footnote, which reads in part: