Lamarck believed that acquired traits would be passed on to the next generation.
Your arbitration hearing will result in a decision (arbitration award) issued by the arbitrator(s) within 30 days of the hearing. The arbitration award will be final and binding on both you and your attorney, unless either of you seeks a trial de novo within 30 days.
Buyers have 4 days to pay before you even think of opening a dispute and most good sellers allow 7 days. Do NOT offer for 2nd chance until you have resolved first sale or you may end up with 2 buyers and get negative feedback. You need much more patience.