1) Baffled 2) Befuddled 3) Bewildered 4) Bewildered for words 5) Buffaloed 6) Bumfuzzled 7) Clueless 8) Completely confused 9) Completely flummoxed 10) Completely mystified 11) Completely perplexed 12) Dazed and confused 13) Flummoxed 14) For less than you paid 15) How not to run a business 16) How sale goods may be sold Found on https://www.crosswordclues.com/clue/at-a-loss