You can sell your home and your loan will get paid off. Then when you find another one that you want to buy you will go through the same process you went through when you bought your current home. You'll meet with a mortgage lender and do the whole process again. There's no limit to how many times you can get an FHA loan as long as you qualify in terms of your credit scores, income to debt ratios etc.
You should find an experienced Realtor you can work with in your area who can help you and can answer questions like these that you may have. I've attached a link below to give you some advice on wht you should be looking for in an agent.... more