SQS is not particularly expensive. I don't know where you are getting at. I work on a project with SQS and I worked with RabbitMQ, ArtemisMQ and other MOM tech

SQS is not particularly expensive. I don't know where you are getting at. I work on a project with SQS and I worked with RabbitMQ, ArtemisMQ and other MOM technologies as well. At least once delivery is something you can achieve easily. This would be the common ground that SQS can also provide. The same is true for Kafka.