What word means to purchase something with the hope that its value will grow?

What is ur favorite song and by who i know dis is a random question

mark, a civil engineer, entered into a contract with david. as per the contract, mark agreed to design and build a house for david for a specified fee. mark provided david with an estimation of the total cost and the contract was mutually agreed upon. however, during construction, when mark increased the price due to a miscalculation on his part, david refused to pay the amount. this scenario is an example of a mistake.

Describe the three different ways the argument section of a cover letter can be formatted