...It's great if you need to queue thousands of jobs in a chain or if you are looking for features that the original Bus chain doesn't provide. If you need to make hundreds or thousands of API calls in a row, can be combined with Spatie's Job Rate Limiter to keep track of delays and pause jobs when a rate limit is hit. If you need to batch import rows of data - each row can be a haystack job (bale) and processed one at a time. While keeping important job information stored in the database.