Costco is now selling tp5 and tp5 x golf balls. On top of this, Kirkland balls are $4 off online. Online they are $30.99 with discount.
Tp5:
https://www.costco.com/taylormade…41
Tp5x:
https://www.costco.com/taylormade…42
Kirkland balls:
https://www.costco.com/.product.100695