Quick Steps to making a successful pet lever.

Main Build
Healer Level 13.
All Stat Points on Dex.
Holy Armor Set +4.
Don't Use Weapon whilst Pet Training.

Skills
Heal lvl 1.
Arcane Knowledge lvl 5.

Accs.
3 Accs which include:
Defense
Physical Defense
All types of physical defense
Close range physical defense
Evasion
Close Range Evasion.

Monster
Sasquatches.

Added Info.
Pet train on a non-Pvp server as you do not want to be killed.
Make sure you stay away from Jaguars and Werewolfs as they are Pet Eaters.
Costs Should not Exceed 1m without Accs.
Accs cost will vary.