64 votes, 34 comments. I got laid off a month ago and am close to getting an offer for a job.Applying for an apartment? Learn the key elements of a successful apartment offer letter, including job details, rental history, and ways to stand out to landlords. Is using a job offer letter for proof of income to rent an apartment illegal if i have no i Intention of taking the job? Provide documents: Be prepared to submit proof of income (pay stubs, bank statements), employment verification, and rental history. Learn how to write a proof of income letter with our stepbystep guide and use our fillintheblanks template as an example.