Use "big investment" in a sentence

1. The Beyler's wealth spurred a big "investment boom" in Turkestan (Turkmenistan).

2. Learning Aerobatics is a big investment and involves a lot of time, commitment and expenditure

3. 21 They have the power to hire and fire managers and say yea or nay to big investment projects.

4. In 2015, the Los Angeles Angels made a big investment in a shortstop from Cuba named Roberto Baldoquin and that mistake was put to rest yesterday when the halos released him.