Amazon.com is offering a $5 credit when you send at least $50 to someone via SMS text message. To enroll in this offer click the button on this page or enter SMS2020 at checkout when sending $50 or more via text message. Yes, you can send the amount to yourself.
Direct link to $5 Amazon credit when you send $50 via SMS offer (affiliate link)
This offer appears to be targeted. Expires June 28th, 2020.