This is sometimes known as wholesaling or flipping contracts. This is where beginners often start as it does not require a lot of capital up front. It does, however, require time and persistence through aggressive marketing.
This is probably the most commonly known as it makes its way to the TV. This can be lucrative but will require funding. This also still requires knowledge of the industry in the location desired. These types of investments still require aggressive marketing.
This is the type of investment that should be the goal. The ability to create a passive income from real estate, month after month. There are many options in this type of investing. Buying at the right price is critical and in order to get the price needed, aggressive marketing is required.
This is the type of investing is for those who have funds but do not want to get involved. They just want to share in the profits. This type of investing does not require marketing nor does it require learning the real estate industry.