If there is to be paid - and sizable - DLC, how do you want it to be handled?

To preface this, my experience with BioWare developed DLC's has largely been that of ME2, ME3, and Dragon Age: Inquisition. I have - however - seen reviews, comments, and articles, about DLC from their other titles that have been a mixed bag. I know the Dragon Age: Origins - Awakening DLC was generally well-liked by the Dragon Age, offering a sizable expansion to the base game. Then you have other short, but sweet, ventures like Lair of the Shadow Broker. However, one lingering issue that BioWare has had in some of its prominent games (notably Inquisition and ME2) was that their DLC's was create more implications than they solved. More to the point, these DLC's (such as Inquisition's Trespasser and Mass Effect 2's Arrival) have important narrative ties to the sequel, and unless players paid for said DLC, they're largely left in the dark about what transpired.

Assuming there's paid-for DLC in the next Dragon Age title, how do you believe they should handle the narrative elements within them? Is it fine for them to foreshadow events to occur in DA6, or should they be self-contained stories? Me personally, I think self-contained stories would be fine, and then - since the game HAS to have live elements apparently   - any story implications towards the next game should be made as a free update for all to play; and see. It would at least alleviate the issue of people not knowing what's to come as the series moves forward.