Sure you can insure for more than the COD amount. For UPS you pay $1 for every $100 declared value past $100. On COD you take the risk - if it comes back you eat the shipping.
Pack well- UPS is not kind to heavy items, though in my experience they do OK on small light stuff up to around 50 lbs.
Pack well- UPS is not kind to heavy items, though in my experience they do OK on small light stuff up to around 50 lbs.