Mariah is getting ready to apply for a mortgage. First, she should run her credit report and dispute any errors.
What should Mariah do first
The first step Mariah should take before applying for a mortgage is to run her credit report and dispute any errors.
This will give her a clear understanding of her credit score and identify any potential issues that could affect her application.
Hence, the most accurate answer is: run her credit report and dispute any errors.