Comparison shopping engine (CSE) marketing tips:
Choose the comparison engines for your campaign and start slow and steady.
Choose your top performing products to start with.
Prepare feeds according to the shopping engine's requirements.
Use common product names or street names in the feeds.
Don't forget to use recommended data feed fields.
Try to use optional data feed fields as well.
Make sure your feeds are placed in the right taxonomy of each shopping engine.
Use the exact MPN or SKU.
Update your data feeds daily, weekly or monthly (daily is highly recommended).
Send feeds to Google base.
Don't advertise out of stock products.
Provide the appropriate landing page.
Remove poor performing products.
Conduct CSE competition analysis with other merchants in context with title, price and other promotional offers within each CSE.
Track clicks and sales at the product level.
Ecommerce customer support service tips:
Provide exceptional service to repeat customers.
Provide good customer service to first time customers as well.
Make sure you respond to customers in a timely manner.
Get a toll free number.
Train customer representatives properly. For example, offer product and sales training.
Make sure your contact info is available in all your pages.
Thank the customer either by calling or sending an email about the purchase they have placed.
IM is very effective for servicing frustrated customers.