Daily entry, 1 per person per day.
From the Bulk Barn flyer:

Tag us in your Christmas baking photos for a chance to win one of two $250 Bulk Barn Gift cards. Use #bulkbarnchristmas (the hashtag). Follow us@bulkbarnfoods .
3. HOW TO ENTER THE CONTEST: NO PURCHASE NECESSARY. This is an online contest only. To enter the Promotion, you must: (i) take an original picture of Christmas baking (the "Photo") (see rule 4 for Photo Content requirements) (ii) follow the online instructions at the Contest's webpage at www.bulkbarn.ca/christmas to upload your Photo, to your personal Instagram® account during the Contest Period in order to do so your personal Instagram® account settings must be set to "public"; (iii) make sure that your Photo includes the campaign hashtag #bulkbarnchristmas within the post (iv) follow all Contest Rules and Regulations. . Each Photo meeting the Contest requirements submitted thorough your personal Instagram® account, will constitute a contest submission (the "Submission"). Photos must also be in accordance with the Instagram® Terms of Use (http://instagram.com/about/legal/terms/).

Submissions must be received during the Contest Period. Limit one (1) entry per person per day during the Contest Period. Multiple entrants are not permitted to share the same email address or Instagram® account. In the event it is determined that an entrant has entered in a fashion not sanctioned by the Official Rules and/or has submitted more than the number of Submissions permitted by the Official Rules, the entrant will be disqualified. Any attempt by any entrant to obtain more than the stated maximum number of entries by using multiple /different names, email addresses, identities, registrations and logins, or any other methods will void the person's Submission and eligibility to win a prize and that entrant will be disqualified from the Contest and, at the sole discretion of the Sponsor, any of the Sponsor's other promotions.
Rules:
Must be resident of Canada (excluding Quebec) and age of majority to participate.
https://www.bulkbarn.ca/en/Christmas...es-Regulations