Edge shine girman fa'idar kai mai a kan bet: mutum ya sami kyau fiye daga odds fiye da ainihin yuwuwar ya bugi. Edge na 5% yana nufin cewa, a kowane £100 da ka jera, ka tsamani ribar £5 a cikin gida mai tsawo. Edges a wasannin wasa suna karama — masu sana'a suna jin murna sosai game da 2–5% — saboda kasuwar betting ta kasua sosai kuma ta bugi kama.
Fa'idar da aka yi ikirari ya kamata a yi masa shaka, har da namu. Ainihin gwaji na edge shine yadda aka yarda a jiya kan babbar yadi: idan hanyar yin aiki ta bukaci a kan daji sama da dawowar kwance daga dawowar gida dama-dama dawowar shekarar, edge na ainihi ne; in ba, jiya ne kaini. Haka ne yasa muka adana kowane shawarwari kafin bugun gida kuma muka buga sakamakon da aka yarda, nasara da asara a duka.
Mafi kyau farashin da ake samu 2.30 a kan yuwuwar gida na 46%: edge = (0.46 × 2.30) − 1 = +5.8%. A yadda daidai £10 a kan 500 irin waɗannan bets, jiya da ake tsamani shine kusan £290 — tare da matakin da ya danganta a jiya.