no you do not need a stamp
Yes. It is a regular letter, just like any other, and so needs proper postage. One stamp is fine.
yes, you pretty much ALWAYS need a stamp to send a letter in the mail. :)
Just go visit him at the mall.
One stamp if it's a normal letter. If its heavy, or is excessively large it'll require more stamps.
3 Just one stamp will do it for a normal letter.
Yes, you do
1
You can send a letter from Texas to Oregon with one stamp.
The stamp has to be accepted where you mail the letter. If you are mailing in Canada, you need a Canadian stamp. If you are in the US mailing to Canada, you can use a US stamp.
About one liberty stamp :)
Depending on the country your in, if in England use a second class stamp or a santa stamp from the postoffice.
a big one
The number of stamps that you need to send a letter from Australia to London, will depend with the value of one stamp.