What are some of the ways that I can use a 1-4 family investment property mortgage?

Purchase a 1-4 family property to rent.
Take cash out to be used towards purchasing another rental investment property.
Refinance for better terms, and possibly cash out, on an existing 1-4 family rental property.
Take cash out to renovate an existing 1-4 family investment property.
Purchase a vacation rental home that will be rented out for 14 or more days per year.