Exh and I split up over a decade ago. Exh fell out with the rest of his family not long after hence his family passed our kids xmas gifts to me instead of him. For a few years I gave gifts to the kids in his family as they dropped round gifts for mine but did feel it wasn't my family any more and not my job. A few years ago I asked one of my ex sisters in law if we could stop exchanging gifts as money is always tight and they agreed. Great.
Last couple of years both the sisters in law have brought gifts round for my kids very last minute so I've not even had a chance to reciprocate but I also can't afford to anyway and i thought we'd stopped this! The gifts have been pretty generous too and I can't possibly afford to do the same back!
I know that they're going to do it again this year what do I do? They're not my family and it's not my responsibility to give gifts and they have nothing to do with us the rest of the year.