Who wins?
Saying "Uno" vs Auctioning unbought property
Auctioning unbought property wins 58% to 42%. 118 more put them in the same row. From Board Game Rule Debates Tier List. Pick a side.
RandomPossum on Saying "Uno": it's printed in the rules, two card penalty if you forget
sleepy_gecko on Auctioning unbought property: my family went 20 years without auctioning a single property
Board Game Rule Debates Tier List: the full ranking