USPS site has a postage calculator on homepage (below). It depends on service, package weight and dimensions and zone shipped to.
first class in for 13 oz or less only
you can use parcel post which is cheapest, but could take 10-12 days. Priority is as fast as first class since they travel together. Just keep box under 12" square. Anything over that is oversize and rates triple. Media mail is only for media like books etc . There are some flat rates for priority, but you have to use the their boxes.
$15
I don't think so it going to take 12 days. It will take probably about 4, 5, or 6 days. It depends on what did you send? Like if you send on Sunday that will take time. It will cost you about $100.
"The cost to ship a ring box would depend on how fast you would want to send it, where you were sending it and if you wanted to put insurance on it. The cheapest way would be to use a flat rate box, small, for only $4.95 from the postal service."
you can send a messagge by putting it in the mail box
No
HOW MUCH DOES THE BOX JELLYFISH cost £1555
A box of coffee will cost $12.
Yes, anytime you send something through the post, it will cost.
It depends on where you send it from.
It does not cost anything to send an email. Gmail is a completely free of cost service. The only cost is the internet your network provider will cost you.
any box will do
It cost $11.45 to send the package.