You can directly upgrade your plan on your Doba Dropshipping account by following the steps below: 

Step 1: Log in your Doba Dropshipping account > click the "Pricing Plan" in the left sidebar to pricing plan page

Step 2 Choose the Business plan & lick "Choose the Plan" button > select a subsribe method (by monthly or annually) >add your card info & billing address & password >click "Start Subscription" button >subscribe successfully