Add the ability to reorder the tasks and sub-tasks in a checklist. Drag and drop to reorder would be nice or even arrows that allow a user to move the task/sub-task up or down. if a task is moved, all sub-tasks should be moved with its group. ability to select multiple task groups and reorder the selected group at the same time. ability to select multiple sub-tasks and reorder them at the same time within a task group.