not as long as you only draw on the side with the flap.
you can get postage paid envelopes from your post office or online at stamps.com
Yes, you would have to pay postage for stuffing envelopes, because it would cause the envelopes to weighh more than they should and shipping and handling goes by weight.
When mailing birthday cards, any kind of postage can be used on the envelopes. Regular postage bought at post offices can be used for sending birthday cards, as can specialized postage stamps that allow the sender to put their own art on the postage.
No.
Yes, there's a non-machinable surcharge of 20 cents over regular postage.
You prepay with the post office, they will give you all the deatils.
Time (labor), Supplies (checks and envelopes) and postage. You can eliminate the envelopes and postage if you pay on-line. You would still have paper costs, because you would most likely print out a record of the payment to attach to the invoice.
Mail and stampage is based upon the weight of the mail. As long as the letter is still light, you shouldn't need more postage.
you should charge 3.00 dollars or 1.00 dollars
47 cents, or one Forever stamp for the first ounce.
Prescott Holden Thorp has written: 'Catalogue of the 20th century stamped envelopes and wrappers of the United States' -- subject(s): Postage stamps, Stamped envelopes
You can print postage legally through USPS approved web sites. You can also rent a postage meter machine to print out postage. If you intend to defraud the government by not paying postage, yes, it is a Federal crime. To print fantasy post stamps is not illegal. US Stamps produced in Black and White or substantially different in size is not illegal. The images are copyright and subject to those restrictions as well.