www.transdirect.com.auAlways use a commercial address to a commercial address that is your location to another location, pack well, forget insurance, unless you wish to pay more, your call, might be worth insuring it if you feel the item is valuable or if it is being sold to another in another state, just make sure you opt for it and charge the buyer for it. Always best to get the buyer to organise and pay for his own freight and insurance as he or she is taking the risk.
Also join up to be a site member as you get a discount (last time I did this), as well.
Example quote (before discount) follows, made up dimensions of mast...not sure if correct, might be scope for more savings: