Finding the money to buy
Most people buy a caravan park using partly their own capital and partly borrowed funds. The amount of the loan available is unlikely to exceed 50% of the capital you are able to raise.
You will need to produce a business plan to put to potential lenders, including recent profit and loss accounts, to prove that you will be able to meet the repayments on the loan or mortgage. If such accounts are not available, then you will still need to produce a projected cash flow, preferably with the help of an accountant or other qualified person.
The amount of the loan, the interest to be paid, and the term of the loan may vary considerably. It is wise to shop around to get the best possible deal.

EXPENDITURE AND INCOME
Expenditure
Purchases - goods being re-sold, e.g. shop, restaurant, caravan sales. Running expenses - rates, advertising, marketing, repairs, renewals, depreciation, wages, utilities, insurance, bank and accountancy costs, and other miscellaneous costs.
Income
The gross income is called the 'turnover'. This will obviously vary depending on the size of the park, the type of caravans you cater for, the location, and the quality of the facilities on the park. Holiday homes will tend to bring more income than tourer pitches or tent pitches. Pitch fees and weekly rental will form only part of your turnover. Much income can be made from a shop, gas sales, bar, restaurant, entertainment, etc.