Thank you @hcmetz and @DawnC!!!
I had the exact same scenario with personal items sales (some with gain, some not) and ran into the same Smart Check error. I was pulling my hair out until I found this thread. The recommendations to clear out the "total proceeds for items sold at a loss or no gain" did the trick!
I know it probably means nothing since it is an internal TT check, but I sleep better knowing my return passed the Smart Check before filing.
Thank you!
