A renovation loan can be a smart way to buy a fixer-upper, because it finances the purchase and the improvements together instead of leaving you scrambling for cash after closing. The two common options are the FHA 203(k), in Standard and Limited versions, and the conventional HomeStyle from Fannie Mae. You buy at the home's present value, get contractor bids for the work, and the lender sizes the loan using both a current appraisal and an after-repaired-value appraisal. On your worry about the house needing more work than budgeted, the guardrails are the direct answer, and they vary by program: - FHA Standard 203(k) requires an independent HUD consultant to review the plans and a contingency reserve built in for exactly that overrun scenario. The Limited 203(k), for smaller projects, skips the consultant. - HomeStyle brings in a consultant only for structural or complex work, and requires a contingency reserve on 2-4 unit properties (lenders can require one on single-family homes too). Doing the work yourself is more restricted than people expect. HomeStyle allows borrower DIY on a single-family home, capped around 10% of the as-completed value with lender approval. FHA allows self-help only if you can prove the ability and the timeline will not slip. Most buyers still run the work through a contractor, because the lender needs finished collateral, and if a project stalls the consultant and lender can step in to get it completed. That extra oversight and risk is part of why these loans carry somewhat higher rates. Confirm current program rules, since they differ and change. The upside of financing it all up front: you end up with one acquisition loan you can later refinance with a simple rate-and-term refinance, rather than sinking in cash and only pulling it back out through a cash-out refi. Whether that beats buying and renovating later comes down to how comfortable you are tying up cash, which is exactly the math a free Roadmap conversation can run against your situation.