Closing costs get mentioned constantly in home-buying advice as "2% to 5% of the loan amount," but that range hides a long list of individual fees, some negotiable and some not, that most first-time buyers see for the first time on their actual Loan Estimate. Knowing the line items in advance makes that document a lot less intimidating — and makes it obvious where there's actually room to push back.
The lender-side fees
These come from the company issuing your loan and are generally the most negotiable: an origination fee (compensation for processing the loan, sometimes quoted as a percentage of the loan amount), an application fee, an underwriting fee, and sometimes a rate-lock fee if you're locking in a rate for an extended period. Because these fees vary meaningfully from lender to lender, getting Loan Estimates from more than one lender is one of the most effective ways to reduce this category specifically — lenders will sometimes match or beat a competitor's offer on these line items.
The third-party fees
These come from outside companies performing a required service, and are typically much less negotiable directly with your lender: the appraisal fee (an independent valuation of the home), the title search and title insurance (confirming clear ownership and protecting against future claims), a credit report fee, and recording fees paid to the local government to officially record the transaction. Some of these, like title insurance, you may be able to shop for a different provider than the one your lender defaults to — worth asking about specifically.
Prepaid items — not really a "cost," more a timing shift
Your Loan Estimate will also include prepaid items: the first year of homeowners insurance paid upfront, and an initial deposit into your escrow account for property taxes and insurance. These aren't fees in the same sense as the others — you'd be paying for insurance and property tax regardless of financing — but they do add to the cash you need at closing, which is why they're grouped alongside true closing costs on the disclosure documents.
Common mistakes
Budgeting only the low end of the 2%-5% range, and getting caught short at closing, is the most common mistake — get an actual Loan Estimate before relying on a rule of thumb. The second is not shopping multiple lenders specifically to compare the LENDER-side fees, which is the category most within your control. The third is forgetting to ask about seller concessions during offer negotiations, especially in a buyer's market — some or all of your closing costs can sometimes be covered by the seller as part of the deal, subject to loan-type limits.