The application Tasks Import for Gmail ™ is now free. This change is due to a reorientation to others development and make it more accessible.
Task import will allow you to import from a spreadsheet several tasks into the Google Tasks manager of Gmail.
Usage is quite simple you just need to generate the Template Spreadsheet and fill your information. After copy/paste url of spreadsheet in the field and launch import. Task import manage TasksList so you can choose the one you want or create a new one.
Once you have your tasks imported in Gmail you can usage Tasks notification to receive each day an email with your tasks of the day.