Squarespace's native email marketing tool is called Squarespace Email Campaigns. As of now, Squarespace does not offer this feature for free; it comes with various pricing tiers depending on your needs.

Pricing Tiers for Squarespace Email Campaigns:

1. Starter Plan - $7/month (~$5 if billed annually):
2. Up to 3 campaigns per month.

3. Send up to 500 emails per month.

4. Core Plan - $14/month (~$10 if billed annually):

5. Unlimited campaigns.

6. Send up to 5,000 emails per month.

7. Pro Plan - $34/month (~$24 if billed annually):

8. Unlimited campaigns.

9. Send up to 50,000 emails per month.

10. Max Plan - $68/month (~$48 if billed annually):

11. Unlimited campaigns.
12. Send up to 250,000 emails per month.

Practical Steps to Use Squarespace Email Campaigns

1. Access the Email Campaigns:
2. Log into your Squarespace account.

3. From the main dashboard, navigate to Marketing > Email Campaigns.

4. Create a Campaign:

5. Click “Create” to start a new email campaign.

6. Choose a template that fits your design needs.

7. Design Your Email:

8. Customize the template with your content, images, and branding.

9. Utilize Squarespace’s drag-and-drop functionality to design the email.

10. Manage Your Mailing List:

11. Import contacts directly or integrate with existing mailing lists.

12. Segment your audience based on specific criteria for targeted campaigns.

13. Send and Track:

14. Preview your email before sending.
15. Utilize scheduling features to automate sending processes.
16. After dispatch, use built-in analytics to monitor the performance of your campaigns.

Considerations and Limitations

1. Feature Set:
2. The robust set of design tools integrated with Squarespace makes creating aesthetically pleasing emails straightforward.

3. However, if you require advanced features like deep automation workflows or extensive third-party integrations, you might need to consider dedicated email marketing services like Mailchimp or Constant Contact.

4. Price vs. Scale:

5. While the Starter Plan might seem affordable, the limits can be restrictive for growing businesses or larger email lists.

6. As you scale up, costs will increase, so it’s essential to evaluate how these plans fit within your marketing budget.

7. Integration:

8. Squarespace Email Campaigns are tightly integrated with other Squarespace features, making it a good option for existing Squarespace users.
9. For users on other platforms or with more complex marketing needs, integration might require additional tools or services.

In conclusion, Squarespace Email Campaigns is a paid service with various pricing tiers aimed at catering to different business needs. While it is convenient and well-integrated for Squarespace users, it's important to assess whether the provided features, along with their cost, align with your specific email marketing requirements.