I think if you agree to sell or buy something you should expect it to be shipped with purpose..... a week or two to ship a box?! It takes about 10 minutes to pack something and you should plan ahead as far as getting it shipped whether you need a package picked up or a drive to the post office.
"I got busy" is a lame excuse, it happens.... but unless you are 12 and need a ride somewhere OR you live in the sticks and there isn't a P.O. for a hundred miles is the only excuse.
And if you were planning on selling me something don't tell me you cant find a part AFTER the money is in your account that just comes off as irresponsible.
That all said. I have never had a problem here on MCB so If I have had dealings with any of you here (feedback left or no..) thank you for being responsible.