Just an update. I have now successfully shipped about 15 boxes by this method.  It is awesome!  None have been returned and I have heard from all except 2 that they were received.  This saves so much time AND you save about 40 cents per box postage.  No more standing in line! 

I pack the FRB, weigh (i use bathroom scales as it doesn't have to be accurate since Flat Rate is just that) go online and print the label w/postage, fill out the customs form (I haven't done this online yet) put the form in the clear pocket and attach all to the box and then drop them into the designated box at the post office.  DONE!  No lines, no tired feet, no bad moods....just a smile for serving my country by support the troops.

 What I like best is that the USPS site has an address book where you can save all your addresses for your labels AND you payment info.......so you can just click away and print and you are done.

Is Click-n-ship thru the USPS?  Is it free?

I rec'd a CD for stamps.com that will allow me to try it out for free for a  month but afterward is 17.99 per month.  It sounds like it does the same as the click-n-ship except that I'd have to pay a monthly fee and any monthly fee's are taking away from what I can use to buy things for my soldier's.

Did you find this on the USPS website?

 babs

Click n ship is free.  Go to the USPS website.  You only pay for postage. 

Yes, Click-n-Ship is through usps.com.  There is no fee for using it, you just have to register as a user on the site.  If you go to the home page, you'll see a place to print postage.  Also, you can save a little over what you would pay at the post office.