What makes the difference between average and extraordinary sales? Sometimes itís the little thingsólike these five ìlittleî sales secrets. From the seemingly counter- intuitive (ìunder-promise and over-deliverî and ìwelcome complaintsî) to the go-the-extra-mile tactics (ìoffer a 100% personal guarantee,î ìwrite five handwritten notes every dayî), these are what Siebold calls her ìsix-figure sales secrets.î