Place the shredded potatoes in clean water and rinse repeatedly to wash away excess surface starch until the water runs clear.
Bring a pot of water to a boil and add the white vinegar. Drop in the shredded potatoes and blanch over high heat for 20 seconds, then immediately remove, drain, and set aside.
Heat oil in a pan over medium heat, add the minced garlic and Crunchy Garlic Chilli Oil, and stir-fry until aromatic. Turn the heat to high, add the shredded potatoes, rice vinegar, sugar, soy sauce, and salt. Quickly stir-fry until everything is evenly combined and every shred is coated with the sauce. Transfer to a plate and serve!