https://help.shopify.com/en/manual/promoting-marketing/create-marketing/shopify-messaging/sms/pricing
https://help.txtcart.ai/en/articles/11974652-txtcart-pricing-guide
https://postscript.io/pricing
https://recart.com/sms-marketing-pricing-ecommerce
https://txtcart.ai/pricing/
https://www.twilio.com/docs/glossary/what-sms-character-limit
https://www.twilio.com/en-us/sms/pricing/us#carrier-fees
https://www.vyg.ai/conversations/pricing