Want to send an email after 2 days an event is updated in the table

I want to send an email after 2 days after a row is updated in the table

some solns i am thinking of

1. create a async function and add sleep to function start of 2 days

2. create a task one question here can i create a task directly from the api function stack

3. create a table just for sending emails and add a task that runs continuously

any recomendations