do you have instillation for gas cooktop and what do you charge for shipping

If you could tell us what site that you are looking to purchase from then we could certainly locate that information for you.  

As for the model you are seeking, Frigidaire offers this beautiful gas cooktop to give your kitchen a striking centerpiece, and give you the control you need! Dramatically designed, this black and white cooktop is eye catching, as well as powerful.

4 well-placed burners give you just the right size to fit your pots. The savings on energy usage will help the environment and your bills. Boil water in half the time! The unique placement of the burners ensures your safety. The bow-shaped lineup means no sleeves brushing open flame. All of the controls are right up front, within easy safe reach.

This is an easy to use, very easy to clean, dramatic, powerful cooktop. Fitting into a 36x18 inch hole, it works in small and large kitchens, giving you just the dramatic punch you are looking for in your new kitchen! Frigidaire, the name for quality gas cooktops!

Warehouse Discount Center (http://www.wdappliances.com) does not offer installation. However, it does come with a complete installation guide, which will help you to easily install it yourself. Shipping for the Frigidare FGC36S5AW 36" gas cooktop is free! That is a huge savings.