Seeking Advice for buying 2003 Goldwing.(Edited)

(Edit: I am looking for weekend ride. Not daily commuter.)
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Hey everyone, new in the forum. (I don't know if it's correct place to post, sorry if wrong)

I want to buy a second hand Goldwing but kind of hesitate and need your experienced helps.

I had a 2017 Burgman 650 earlier and I really liked the large and heavy body, comfort, wind protection, abs, car mirrors etc... But eventually it was a scooter and I wanted something more like a "motorcycle". I bought a Kawasaki VN900 cruiser. (mistake!!) I like it but I found that I really miss the specs that I mentioned above. So now, I want to change my VN900 and thinking about something larger, more powerful... maybe second hand R1200RT or something similar. I never thought Goldwing before. I thought it would be way too heavy, way too expensive to buy and maintain, way difficult to ride... But after a few youtube videos I think I'm in love with the Wing!!

I found a 2003 GL1800, Imported from Japan (with a windshield wiper, photos below) probably low mileage (still waiting for answer from seller). Haven't seen the bike yet. And there will be no test ride. So any consideration about 20 years old Goldwing?

I'm living in Hong Kong, so there's no long trips, and usually hot/wet weather. Do you guys Goldwing is too much to ride around small city? Any help will be appreciated.