Step 1 :Calculate the down payment which is 10% of the house price: \(170000 \times 0.10 = 17000\) dollars.
Step 2 :Add all the closing costs which include homeowners insurance, property tax, title fee, and transaction fees: \(900 + 1050 + 150 + 400 = 2500\) dollars.
Step 3 :The points paid for a reduction in interest rate are not included in the closing costs.
Step 4 :Final Answer: The amount of money Isabel needs to cover closing costs is \(\boxed{2500}\) dollars.