For the gold card, do you not need to be employed by a local company? If not, that's a pretty good deal.
The other way is to qualify for any of their "talent" needs. Blockchain, VR, IA, and have proof it it (publication, work, projects). They have 8 categories of people that can qualify: https://foreigntalentact.ndc.gov.tw/en/cp.aspx?n=128B875DE9C...
Just keeping my options open at the moment.