How should a foreign national invest in the United States?

The best form for a foreign national to purchase a property in US is in the name of a limited liability company (LLC)
It will receive a taxpayer identification number to be used to pay taxes.

What documents will you need to purchase a property in U.S.?

To make a purchase you will only need your documents of your respective country ( Ex: passport); Any foreign investor can invest in real estate in the United States.

What forms of financing are available for foreigners?

There are a variety of financing options for foreigners. Each person qualifies according to their financial situation. You must show your income statements from your country and provide letters from your accountant or your employer. (English forms will be provided by American banks.)
There are banks that will lend you up to 70% of property value. The investors will have to pay the 30% at the time of the purchase, but you can also buy in cash which is much easier.

Are there any additional costs to buy a real estate property?

Yes, there are additional cost. They are called closing costs and is a percentage of the purchase price of the real estate property. This cost covers title insurance, legal fees, and registration. This varies depending if the property is purchased with cash or financing .

What are the annual Taxes and extra payments on the property?

The property taxes cost about 1.5% to 2% of the property's assessed value. A property of around $100.000 USD pays around $1,500 to $2,000 dollars per year. If the property price goes up, your taxes will also increase. Another expense is the monthly administration fee that varies depending on the luxury of the property and services included.