frequently asked questions

We currently offer the option of paying by entering your credit card or debit card information, or by signing into your PayPal account.

As our business grows, some states require us to collect and remit sales tax once we reach a certain sales volume there. If sales tax is included at checkout once you have entered your delivery address, it means that we have met the requirement for your state, which is why tax is now applied. We always follow current state tax laws to stay compliant.

To ensure your nanoNAD+ purchase arrives cold, we currently use FedEx or UPS shipping.

We currently offer free shipping on all orders. Please see our shipping and returns page for more information on shipping, as well as important delivery instructions.