You certainly could if you wanted to, you would need to disclose this to your listing agent. Your listing agent would have to set up showing themselves and let that compoany or its agents know if they called they can not get inside. you would just have to find an agent willing to do this. Good luck with your sale... more
You can't convince someone of something that they aren't willing to hear. If the builder would end up selling for less than his costs then he is going to be reluctant to negotiate. Make sure that you are giving a reasonable offer also and not low-balling him.
If your offer is reasonable and he still isn't willing to negotiate, find another 'perfect' place. Someone else will be willing to negotiate as long as you're willing to go elsewhere.... more