In this tutorial you will get a walk through of building a PowerApps Shopping Cart from beginning to end. Galleries, collections, spot, Amount, With, AddColumns and a lot more principles covered as you build out this option.
New Chewy Store if it isn’t appearing on YouTube like it should. https://teespring.com/stores/chewymerch
Power Apps Consulting and training at https://www.PowerApps911.com
Source