What you need to do is sit down with your buyer's agent and go through the home inspection line by line. You will also need to have a copy of your sales agreement. If you walk away at this time you run the risk of losing your deposit monies...why you ask especially if the seller didn't discloure everything on the disclosure. It doesn't matter. The disclosure is to be filled out by the seller to the best of their knowledge. Could it be that they weren't aware of these item? Don't get me wrong, they are seller's who will intentionally omit items on purpose but thank goodness you had a home inspection. Again, go through each item in the home inspection. With your agent, put a list together with a corrective proposal and submit it to the listing agent within the time frame agreed upon on in the sales contract. Depending on how you negociated the inspections for example if you agreed to the first $500 in repairs you can only ask the seller to address the amount above $500. Present to them your list and see what happens. If they say no, then again after meeting your requirements per the contract, you can then walk away. I hope this helps. Good luck and let me know how things work out. If you have any other questions please feel free to ask again.