Qualifying for a home purchase loan with a fixed income in the US can present unique challenges, but it is entirely achievable with the right preparation and knowledge. Understanding the requirements and improving your financial profile are key steps in the process.

1. Understand Loan Types
Before applying for a home purchase loan, familiarize yourself with the various loan types available. Conventional loans, FHA loans, and VA loans each have different qualifications and benefits. FHA loans, for instance, are particularly suitable for those with lower income and can be a great option if you're on a fixed income.

2. Evaluate Your Financial Situation
Assess your financial status comprehensively. Calculate your debt-to-income (DTI) ratio, which is a critical factor lenders consider. Ideally, your DTI should be below 36%, with no more than 28% of your income going toward housing costs. If your DTI is too high, consider paying down existing debts before applying for a loan.

3. Maintain a Good Credit Score
Your credit score plays a crucial role in determining your eligibility for a home loan and the interest rates you'll receive. Aim for a credit score of at least 620 for conventional loans, although FHA loans may accept lower scores. To improve your credit score, pay your bills on time, reduce credit card balances, and avoid applying for new credit unnecessarily.

4. Save for a Down Payment
While some loans may require a down payment as low as 3.5%, having a larger down payment can significantly enhance your chances of approval and lower your monthly mortgage payments. Start saving early and explore down payment assistance programs that may be available in your state.

5. Gather Your Documentation
Lenders will require extensive documentation to verify your income and financial status. Prepare the following: tax returns from the past two years, W-2 forms, bank statements, and proof of any other income sources. Having organized documentation can expedite the loan approval process.

6. Shop Around for Lenders
Not all lenders have the same requirements or offer the same terms. It's wise to compare different lenders to find one that suits your financial situation best. Get quotes from multiple mortgage providers and examine their fees, interest rates, and repayment terms.

7. Consider a Co-Signer
If your financial profile does not meet the lender’s requirements, having a co-signer with a stronger income or a better credit score can improve your chances of receiving a loan. Be cautious, however, as the co-signer will be equally responsible for the loan repayments.

8. Seek Professional Help
If you feel overwhelmed with the process, consider working with a financial advisor or a mortgage broker. These professionals can guide you through the complexities of securing a home purchase loan, especially with a fixed income, and help you navigate your options effectively.

9. Be Prepared for Closing Costs
In addition to your down payment, be ready for closing costs, which typically range from 2% to 5% of the loan amount. These can include fees for appraisals, inspections, and lender origination. Budgeting for these costs in advance will prevent added financial strain at closing.

10. Stay Patient and Persistent
Qualifying for a home loan on a fixed income may take time, and there may be setbacks along the way. Stay patient, keep your financial health in check, and remain persistent in your efforts. Your dream of homeownership is within reach.

By following these steps and understanding the home loan landscape, you can significantly improve your likelihood of qualifying for a mortgage while living on a fixed income in the US. With careful planning and diligence, you can turn your homeownership goals into a reality.