Sentence 1: Carol was ready to purchase a condo. 
 Sentence 3: All she had to do was meet with the realtor 
 Sentence 4:  However, Carol checked her numbers one last time 
 Sentence 5:  The extreme cost made her second-guess her decision 
 Option 1: The building was already confirmed. 
 Option 2: The building was at a bargain price.