"Make a haul" generally means to collect a large amount of something, typically in terms of money or goods. Antonyms for this phrase could include "lose out" or "come up empty-handed," both of which imply either a lack of success or a failure to achieve the desired goal. Alternatively, one might use the phrase "make a donation," which suggests that one is giving something away rather than accumulating it. Similarly, "surrender" or "relinquish" could be used as antonyms, implying a willingness to let go of something rather than taking possession of it. Overall, antonyms for "make a haul" tend to focus on loss, relinquishment, or a lack of attainment.