But they may not, unless you off them what they are asking. Whether they will or not, depends on what they are actually expecting to sell for.when you make an offer it is with the proviso that they take the property off the market.
My flat is currently on the market. Each agent i had round to value it (despite me saying that I wanted it on the market at a price to sell) said 'put it on for x, and you should get x-5k'.
wtf? why not put it on for x-5k at the outset!
Anyway, if someone offers me anything between 5k below, and the asking price, i'd take it off the market, because I'd accept the offer