Business Insider asked 10 everyday Americans for the best investments they've made, from stock picks to real estate investments.Bob Vanscoy, 54, invested in Nvidia in March 2020, seeing over a 1,500% gain by 2023.Natalie Fischer, 26, bought a house before marriage, benefiting from low mortgage rates and stable housing costs in Seattle.Nick Brinkman, 41, invested in Apple and Tesla in his 20s, with significant gains over the years.Sherry Jiang, 33, saw a 1,200% growth in her Tesla investment and a 420% increase in Palantir.Josh Nassif, 40, capitalized on Bitcoin payments from online poker and Nvidia's growth for over 3,000% returns.Matt White, 33, successfully invested in Netflix, reaping a 380% return during a stock price dip.Tess Waresmith, 37, house-hacked by renting out part of her property, leading to a successful real estate investment.Brennan Schlagbaum, 33, made a significant gain on Meta Platforms stock, with a 550% increase.Austin Mark, 38, co-owned a house in Chicago, enabling a larger living space at a more affordable cost.