Also on sale for $8.99
In order to get this for $1 cheaper than posted price, make sure that you are on Best Buy's mobile site (not app). Add the Blu-ray to cart, in cart select "shipping" then click checkout. On the following page you will see an option to select store pickup for an additional $1 off.
If you are on a desktop computer, scroll all the way down and select mobile site on the bottom left of the site and search for the movie you want to buy and follow the steps mentioned.