Best way to split a bike

Nope, basic economics in a diverse market would suggest that as long as the items are listed in exactly the same way they will reach the same price. Bargains can be had when something isn't reaching the correct audience, but otherwise it's a seller's market.

huh? What market are you talking about?

Watching makes sense, know how much your ceiling price is before hand and bid at the last moment.

As said, if Watching be prepared to bid. Or get your bid in earlier to stay within your ceiling price.