One of the best subject lines for an abandoned cart email is "Thanks for considering this...". This is so different than the typical "You left something behind" that it grabs attention and gets awesome open rates. The email should thank them for considering the item and include some FAQs about the product to help address the objections. An educated buyer is a long term buyer with high lifetime value. Use the emails to educate your prospect on the benefit not focus on features or price.
We used the subject line "Your cart is waiting-complete your order now!" for an abandoned cart email. It was compelling because it created a sense of urgency while reminding the customer of their previous interest. The personalized approach, combined with a clear call-to-action, encouraged recipients to return and complete their purchase. This simple yet effective strategy helped recover 20% of abandoned carts.