What is the budget you set for grails? Is there such a limit?
For my grail wishlist, i usually break them down into 2 tiers.
Tier 1 will be anything from SGD400 to SGD800. If I found a pair of grail that i really like, I usually survey for awhile between Singapore and Malaysia market and compare the price before I pull the trigger. But usually I get all the good deals from the Malaysia's market.
For tier 2, of course is the SGD900 and above. Usually i wont pay too much attention as the resale price do not change too much even after few months. So I will just refresh the wishlist if some steals or auctions come along or during special occasions like anniversary/birthday whereby my wife will sponsor either 1 pair or share 1.