The construction of house can become a real pain if the construction cost overruns your budget. Many home construction stops before completion due to this reason. So, it is very important to stick to your construction budget. You can do so by the following:

Get the design and the plan of the house made before starting the construction. Make all the changes on the plan rather than on the ground to save cost.

There may be some extra cost cropping up during the construction mainly if you are reconstructing an existing home. Always keep an extra budget for that.

Ask your contractor to give you the complete construction cost in writing. If possible make a contract of fixed price to be on the safer side.

Save money by purchasing building items in bulk or from discounted stores. If possible you can also buy pre-used building materials like wooden frames, doors, kitchen cabinets. These will help you to for sale save a lot of money.