[quote=BGinRB]You can always present the findings and ask the seller compensate for the deficiencies you found. After all, you will have to disclose the issues when you try to sell the place and it will cost you. Some people will not purchase a house with cured structural issues.
In general, if you want to bargain you need to be ready to walk away.[/quote]
Get a quote that is sufficient and deduct it.
As said before, all in writing.
Since you are the buyer in contract there is a certain path-dependency here.
It is likely that they will credit you for it or reduce the price accordingly and not kick you out of contract.
Please do verify that your contingencies are still in effect.
Nothing is more embarrassing than asking for a problem to be addressed and having the seller or agent come back and say “sorry contingencies expired passively a week ago and we aren’t fixing anything and if you back out you lose your deposit”. I have not had it happen to me but I have been called in to help fix the situation when it has. Many times.