Originally Posted by Aussienarelle

I have found much availability about three weeks before I want to fly. As a 1K I book a placeholder at standard rates for economy before this time and then watch until the business saver availability and book saver and cancel standard. Nice perk as a 1K there are no fees for cancel and redeposit of miles. United are in the business of maximizing their bottom line - I am in the business of minimizing my costs and usage of my miles.