Possible first deal: pre-foreclosure/bankruptcy

[Gala Klein]

I've been watching this pre-foreclosure/auction property since March. The auction date keeps getting pushed back. The owner of the house just messaged me back on Facebook; I'm supposed to discuss the property with her this weekend. I'm a little nervous as this is a first for me. I've downloaded some of the purchase and sales agreements posted in the FilePlace and I'm reading through one where there is a Judgments clause where "Seller warrants that there are no judgments against the subject property, and that there is no bankruptcy pending or contemplated by any titleholder." Should I remove this clause or leave it and just cross it out? 

How does a bankruptcy case differ from a pre-forclosure? 

Any words of wisdom are much appreciated. Thank you.