Research local licensing requirements, gain experience in the construction field, consider formal education, and establish a legal business entity.
Typically, kitchen and bathroom remodels, energy-efficient upgrades, adding living space, and outdoor improvements like decks or patios can add value.
Consider factors like the cost of remodeling versus moving, attachment to the current location, future needs, and how much value the remodel will add. If the remodel meets your needs and adds value, it might be better than the expense and hassle of moving.
The main contractor is often referred to as the "general contractor" or "prime contractor."