Because terms and rates differ greatly between these niche loan products, it's also harder to understand just what you're signing up for. Steer clear of shady offers, especially payday loans. You should compare the terms, APR (annual percentage rate), and other costs of each loan to see which one makes the most sense. The Mortgage Professor offers many calculators for that tricky task.
There are many ways to pay for home improvements, from traditional home improvement loans to personal loans to home equity lines of credit to government programs to credit cards. Regardless of which type of loan you’re considering and what type of lender you want to work with, shopping around will help you make sure that you’re getting the best rate and terms on your home improvement loan. If you apply with several lenders within a short period, the impact on your credit score will be minimal. (For more, see The 5 Biggest Factors That Affect Your Credit, An Introduction to the FHA 203(k) Loan and Applying for an FHA 203(k) Loan.)