How many tubes with caps are included in one pack of GS-110158 and 110-178 for the stated price? How can I find out the shipping cost?

Both items GS-110158 and GS-110178 are sold as a case of 500. Shipping costs vary by zip code. You can calculate the estimated shipping cost by adding the item to your cart. From your cart, you will be able to add your zip code and then click on "GET A QUOTE" it will show you the estimated shipping costs.