You know to become Plat (or retain) you have to have 50 nights OR get 60,000 points within a year.
Lets assume that 50 nights are not part of your travel schedule.....
60,000 points are pretty easy to obtain using some of IC's partners, like Office Max, Air Borne Express, Visa etc.
I earn more points by IC's partner base (listed above) then by travelling! On average I spend about 45 nights yearly at various HI properties.