My entry is just simple advice for first time buyers, those who are entering college, and those looking for their first job.
Be careful what you put on credit. Having high balances on credit cards or an expensive car loan can hurt you when looking to buy your home. Mortgage lenders use a Debt to Income (DTI) ratio when balancing out how much you earn versus how much you owe. If your ratio is 45% or higher you likely will not qualify for a loan. Spend frugally and save as much as possible while preparing for that first home.