Let me tell you my dads dealings with an elderly old lady awhile back. Pretty much the same situation you're in. He made an offer of around 3.50 or 4 dollars an acre. That old lady didn't hunt her son didn't hunt but either someone in their family or someone they knew did hunt. Timber company land was going for around 5 or 5.50 an acre in that area and whoever they knew told them that. Needless to say she leased the land to someone else, the same land that hadn't been hunted in years and told my dad that he tried to rip her off. So my advice to you is pay what the timber company is leasing an acre for and run a copy of price per acre off to show her what it's going for in that area. 1.50 or 2 dollars an acre on a tract that small isn't going to make a big enough difference to matter, and with it being so close to your house you'll probably make it up in the gas you save.