If you are concerned about the income requirements and evidence of income, there is no need to worry.
What they are looking for primarily is proof of full time permanent employment with a salary that exceeds the published poverty level guidelines. The fact that you just recently started a new job is of minor concern, especially since you have been steadily employed in recent years.
Moving and changing your mailing address in the middle of the visa processing can sometimes cause problems but can easily be overcome with a little advance planning.
Like Jeff said, do what is best for you, not for the government.
Ray