The problem with all of this is precisely defining terms such as "occasional" and "fair determination" and "common sense"...Those words all sound great on a forum, but in reality are not legal terms in any way.
That is why numerical cut-off amounts are in place and should be, otherwise everything is open to interpretation.
Can you imagine arguing a case in court that the speed limit was not "common sense"...Or maybe you could plead that you only "occasionally" speeded....Those terms sound good for the emotional among us, but the reality is actual numbers....$2500, $20,000 $600 are all actual numbers and not feelz and interpretation.
The bottom line is that average folks are hurting and so they sell their assets to pay bills....They might have credit card debt, medical bills, weather damage. So they sell their grandma's silver that was given to them for $5K and their class ring for $500 and maybe some collectible X-Men comic books they collected when they were you and now they are worth $2000 and the seller needs the money.
To punish and twist the necks of the lowest earning workers with a $2500 annual cut-off for selling their own assets and who are simply selling a few thousand dollars in these assets to pay bills, is exactly why the Democratic party exists....Otherwise, we can be Republicans and hire a fleet of attorneys like Trump and Musk and skillfully write-off millions of dollars of taxes a year...Meanwhile your neighbors is getting audited because she sold $2600 of her Beanie Babies on Ebay that she didn't file a Capital Gain.
This kinda thinking is how you lose elections.