They are right it is hard to say what it will br worth after you up grade the home to your liking. The 2200 sqft home recently sold for $279900 but was not on the size lot that this home is on. There are lot of things to consider when valuating what price you should pay for a home and i will be glad to help you determine that price. call me 904.803.1764 check out the link below for a look at what sold down the street form that home.
Its hard to say, depending on build quality of the work that will be done, this home is the smallest that has been on the market in the last year. There was a 4/2 2454 sf home that sold for $280k on Web Foot Pl. All other homes have sold for more but where larger homes. You should consider hiring a buyers agent to show you comparable sales and help guide you in your purchase.