A few extra bags is usually ok.  Large boxes are acceptable as well since they can be hard to fit into a 96 gallon cart. Bulk Items will need to be scheduled.
Sundance uses rear-load residential trucks - which means the items are collected by throwers or helpers who load the trash into the back of the truck where it is compacted. If there are a few extra bags outside of your cart, then they will be collected at no additional charge. If it is a recurring occurrence then we may contact you and encourage you to sign-up for an extra cart. Usually adding an additional cart is half the price of the first bin.