Each time you increase your offering price ask for something in return, such as repairs, appliances, even lawn furniture. (mdsuburbs.com)
However, for the very high purchase price asked for both models, the level of kit is the least you expect. (carbuyer.co.uk)
Generally speaking, it will be the latter, although in some assignment arrangements the parties have attempted to structure it so that they pay the Land Transfer Tax based on the lower initial price asked by the builder, while taking the position that difference between that and the increased price is merely the «fee» paid to acquire the original Agreement of Purchase and Sale entered into with the builder (thus avoiding having the tax calculated on the higher sale price). (remonline.com)