it is only about 75 cents to add delivery confirmation to any package, small price to pay to avoid unpleasant issues. i do not send anything, swap blocks, gifts, anything without putting out that 75cents to make sure everyone stays happy. but, recipients do need to remember that sometimes the postal system takes longer than any of us think they should. my daughter lives 40 miles from me, i send something to the granddaughters and it has taken 11 days (with no holiday involved) my son who is 3000 miles away gets his in 3 days....you just never know...but you should be a little patient...but confirmation should ALWAYS be included when money is involved it just protects both parties involved.