Low SES earth/red dot extinction level survival planning?

With a outer space rock that may hit earth (extinction level event) or pass close to earth in 2029 (unforseen results as per movie 2012)...

Then got pinkie trying to built a East Coast wall instead of Yishun wall (He already booked the escape pod package?)

Now left the rest of the sinkies, whats your plan?

Start saving for ticket, get the highest BTO / Condo at the highest point in sg? Stock up on life rafts and floation gear?