1 last 20days
2 sure but you need to pay comission
3 訂金 not popular , you sign contract and give you 3 days to 7 days move
that is signed on 1st ,and contract starts on 8th day
4 usually see only once
so if you dont like, then leave asap
if you like,then stay there for 10 to 15 minutes
if you want to sign, then ask to see the second time