My Laptop is a Lenovo Idea Pad. It has touch support with 10 points. It is an intel core i5 7th generation. 7200 CPU @ 2.50 to 2.71GHz. 12GB RAM on Board Memory.64 BIt Windows.It has a 1TB HDD. 15.6 inch laptop screen.
Depends on what your local market is like, so some searches on your local eBay, check other used sites like craigslist (or whatever is available like that in your area). I would say maybe $300 for a recent laptop like that. Prices for used things are not really set, pick a price you want, if it does not sell at that for a while, lower it.