Read this if you are based in the US, have an existing merchant account and want to keep it.
If you already have a merchant account and you are happy with that merchant account, then there is no need for you to switch to use Lodgix.com. That being said, you must call or email your merchant account rep and ask them to add the Authorize.net payment gateway to your account.
Authorize.net is the largest US based payment gateway and nearly every merchant account provider can work with Authorize.net, even if you are currently using another gateway.
Authorize.net will charge you $35.00 per month for their gateway and Customer Information Manager products. This charge is not from Lodgix.com and these charges are in addition to your monthly fees from Lodgix.com. But it will allow you to keep your existing merchant account and get you up and accepting / processing payments using Lodgix very quickly. The setup time is usually <12 hours.