SENT IN 5 COINS ONLY GOT ONE GRADE!

WELL I JUST GOT MY GRADES OR SHOULD I SAY GRADE ON THE FIVE COINS I SENT IN, HERE'S HOW IT WENT I SENT A 1882 CRACKED PLANCHET SHIELD NICKEL IN- CAME BACK IMPROPERLY CLEANED- HOW? IT WAS DIRTIER THAN HELL, NEXT WAS A 1862 SEATED DIME LOOKED MS 63 PROOFLIKE TO ME, CAME BACK IMPROPERLY CLEANED, THEN THERE WAS THE 1911 $2.50 GOLD INDIAN, WHEN I BOUGHT IT IT WAS LISTED AS MS, I THOUGHT IT WOULD NE MS 60-61, CAME BACK AU58, THEN THERE WAS A 1902 MORGAN WITH BEAUTIFUL COLOR ON THE OBVERSE, CAME BACK ATIFICIALLY TONED(GOT ROBBED), LAST BUT NOT LEAST, I SENT IN A FROSTY 1891 MORGAN, AND GUESS WHAT IT CAME BACK IMPROPERLY CLEANED. EACH AND EVERY ONE OF THESE COINS WAS PURCHASED OFF OF EBAY, WELL I GUESS I NEED TO OPEN A FEW DISPUTES WITH THE WONDERFUL SELLERS. LESSON LEARNED, I WILL BUY GRADED COINS FROM NOW ON