If your intention is to earn income and you need tools to earn income (purchase tools to make renovations) claim the tools . I see these as a legitimate expense no less than office supplies In a office. If they are relatively inexpensive lump them under a suitable heading in the expense section . Document everything you do with a written explanation explaining why you did what for your own records. Sure helps months or years later when you are in need of remembering. You can always phone the revenue Canada information tax line to clarify questions, they are really helpful and it's free to ask.
