Original Dome Patrol Poster

Just out of curiosity...

Would shipping via the post office be cheaper? USPS Tubes: http://shop.usps.com/webapp/wcs/sto...10152&storeId=10001&productId=26002&langId=-1

How about tubes from this site? http://www.uline.com/BL_3654/White-Tubes

Not trying to be a cheapskate but money is a bit tight right now and I DO NOT want to miss this opportunity!

If I can help in anyway, I will be more than happy to!