As such, it could pay to look for steady wealth-building vehicles, bolstered by your risk tolerance applied across a 30 or 40 year investment horizon. But the first step to doing so is finding the right brokerage platform to set up your investment account.Employer-sponsored 401(k) plans can be a great place to start. But they might not be enough, given that the retirement rule of thumb is to have at least 10 times your annual income for your golden years (2). With a salary of $70,000, that means at least$7 ...