Re:anybody ever age a Tri-Tip?

No COSTCO within 200 miles, but thanks anyway! As for not getting a good seal had you possibly gotten the part to be sealed wet? That is – did you fold the bag back out of the way, insert the meat and then “unroll” the clean bag back up? OTOH you said you got a full and good seal without cross sealing the corners – I’m glad it worked but I can’t understand why it worked! You were using a Sinbo – right?