Knetbooks

Knetbooks sets itself apart from its competitors in terms of usability and customer service. Although the website seems subject to change, it is actually very easy to use. It offers very wide extensibility (see details below). They also provide great customer support via email, phone, or live chat. If something doesn't suit you, Knetbooks promises to fix it.

Top features:

• 25-day money-back guarantee
  
  
• Extend your rental by 15, 30, 60, 90 or 130 days
  
  
• Text notification when your order ships and when your rental due date is approaching

• free shipping both ways as well as savings of up to 85 percent on all textbooks.

• helpline opens Monday to Friday from9 a.m. to 5 p.m. EST.

Website: https://www.knetbooks.com/