I moved into a new condo in a senior community in 2007. From the first, I have had a window which leaks from the outside into my condo. Since the builder went bankrupt, the HOA fixed it 3 times with no success. I need flashing and now they won't pay for it. I have an estimate of $1,000. If I pay for it and then deduct cost from my maintenance fees, will I get sued or a lien against my condo?