You should also factor into your budget the price of the hardwood installation, and most importantly the price of having the hardwood contractor haul away all of the debris once the job is complete. Many hardwood contractors will often charge more for this service of taking care of the construction waste, as it is important that it is done properly.
Some bathrooms will need to have parts redone after a hardwood installation, especially the walls. Find out how much this renovation and remodeling process will cost, such as having a cement board installed for you to protect your bathroom walls.
Find out what is the cost of having solid paneling installed on your floor, as opposed to engineered paneling.
Solid paneling is basically one huge piece of wood chopped carefully up into smaller pieces to make it easier to install the paneling. This kind is much better than engineered paneling, which is paneling fit together from a number of pieces.
These are only a few factors that you need to consider when planning your hardwood installation.