The short answer
A useful pre-approval starts a conversation. It does not finish the financing.
You have a number to work with. That is helpful. It is not the same as having a final mortgage for a particular home.
Ask what has been checked.
Lenders use different pre-approval processes. Ask which income, down payment and credit information has been reviewed, and what remains outstanding. A label alone does not tell you how far the review has gone.
Separate your approval limit from your budget.
The maximum you may qualify for is not a spending target. Consider the cash needed at closing and the cost of owning the home afterward. Leave room for the parts of your life that do not appear on a mortgage application.
Bring the property into the conversation.
The lender still needs to assess the property and confirm its requirements. Share the listing and any offer or closing deadline. Discuss financing conditions with your real estate and legal advisers before committing.
A useful next step
Keep a short list: what is confirmed, what is conditional and who needs to answer the remaining questions. It is a more useful checklist than simply asking whether you are pre-approved.
General information, not a financing recommendation or a promise of approval. Mortgage terms and lender requirements vary. Review the details of your own situation before acting.