Hey there, i would like to suggest you some Best Shopify Page builders such PageFly, Shogun Page builder and one that I have is Layoutbase shopify Landing page builder (https://apps.shopify.com/layoutbase-pagebuilder) which would help you to build attractive looking and eye catchy landing pages for you BFCM Season Store. alongwith you can use Bundle builder or Customizely app for providing your customer with the option to customize there product accordingly and create there own bundles.
Thanks