Badminton sellers I actually use

Tick what you need and the total updates. Not sure? Pick one of these and I'll tick it for you.

• 
  Victor "Little Hammer" racketMust haveLight and easy to swing. Pick the strung option if you don't want to string it yourself.
  $27.01Open
• 
  Victor A170 court shoesMust haveDon't skip this one. Running shoes will wreck your ankles on court.
  $32.69Open
• 
  Yonex BG65 Titanium stringOptionalChoose BG65 Ti in the options. Only needed if your racket comes unstrung or snaps.
  $7.11Open
• 
  Kawasaki overgripMust haveBuy 5 or 10 at once, they wear out fast.
  $1.48Open
• 
  Towel grip, 10 m rollOptionalOne roll wraps about 19 rackets. Great if your hands sweat.
  $4.85Open
• 
  Grip film / underwrapOptionalGoes under the grip for a softer, thicker handle.
  $0.52Open
• 
  Kawasaki badminton socksMust haveTowel bottom, anti-slip. Saves your feet from blisters.
  $1.82Open
• 
  Victor grommet setOptionalReplacement grommets for when you restring.
  $2.57Open
• 
  Wrist ball (auto-start)OptionalLowkey changed my wrist. A few minutes a day.
  $2.55Open
• 
  Training jerseyMust haveFrom my cheap 1688 seller. Not official, but decent.
  $4.18Open
• 
  Training shortsMust haveSame seller as the jersey.
  $3.27Open

Prices are what USFans shows today, item price only. The Taobao app shows lower prices during sales (that's the $54 in the video); through USFans the full kit is about $88. Shipping is paid later and depends on weight, so ship everything in one parcel.