> open a 60-second auction window Then people would complain that they are only able to get batches which are letting them earn way less than they already are.

> open a 60-second auction window Then people would complain that they are only able to get batches which are letting them earn way less than they already are. This can also be automated to keep going lower up to N dollars that the bot user is okay with. > shoppers could set orders parameters within which they guarantee acceptance Same problem as above > Orders could then be randomly assigned to online shoppers This would mean people who continuously exceed the customer's experience potentially lose out to those who are below them. This is a lose-lose situation > bias towards ratings and other metrics. This means that people will feel they don't have opportunities to improve their rating. This is a really hard problem to solve in this market, imho. Addendum: I agree with the sentiments about fees reflecting the order quality.