Always use the lowest possible price as the base bid, and then use options to raise the price. You begin with the lowest price. This makes the owner receptive to your proposal. You give the owner a positive, not a negative, choice to make. The more your proposal is discussed, the more likely you'll get the job.
Breakouts allow owners to compare apples to oranges.
If you choose best-quality paint, your house may appear a bit faded, but for the most part will look good up to the time it needs repainting. Also, the next paint job will be a few hundred dollars less, due to less surface preparation. In the long run, best-quality paint is least expensive. Only the professional can know the reasonable life cycle of one paint job compared to another. Showing your hand.