I booked 2 wks.in Hawaii through the internet, from HSI, that cost 809.44...then i went through the HSI office for the next 5 wks and they charged b/t 754.15 up to 965.11 a wk...So going through the office it cost me double for each wk.This is a total trip off...and do hope I am refunded. Sofia Stefaniw read full review »