I contacted Ave for a custom launcher on December 22, and purchased it on December 27. Ave promised to deliver after new year's eve. I gave him an extense deadline for an entire month, until January 27, which is today.
Ave stopped responding in Discord in January 13. I tried messaging him multiple times, and never received an answer again.
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He appeared again on January 27, on the very last day from the deadline. He finished the work during that night.
As a conclusion, Ave is generally chill and very easy to work with, his launchers are also cool and well done. My only criticism for Ave is that - if you are busy (or had a delay for whatever reason), let your pending customer(s) know! So we can adjust things as needed. Not answering is generally worse for both parties.
Thanks!