My experience as a 10+ year reseller

I've been in the Lego resale game for more than a decade, averaging ***,*** in profit per year. Getting ahead for tax time, I ran my numbers for 2025. Seeing the *at least in my history* poor ROI, I decided to open all of the old spreadsheets and calculate my profit per year. Year: ROI per set average after all fees, but before Taxes. 2014: 85% 2015: 83% 2016: 77% 2017: 71% 2018: 103% 2019: 104% 2020: 102% 2021: 93% 2022: 98% 2023: 92% - Drastically cut buying in 2023 as the writing was on...