WyoArcher, you can do it... Please, as others have mentioned, learn about the process as best you can, and KNOW you can do it. Investing, as with so many other things is thought to only be in the realm of "professionals"... Even well meaning friends and family will tell you, you better get a "pro" to do something so important... BUNK!
The one time I contemplated using a wealth manager, the results were a 50 page plus hodge podge of fancy bright charts, heavy bond paper, and a nice binder. All of it generated as easily by yourself, without all of the way too expensive proprietary funds... Also not costing around 2%+ a year, and in my case, that's about $27,000 off the top!... Hell, I live on less than $20k now!
Play around with retirement calculators, compounding websites, and feel confident that you can do this, and have a plan. As for me, almost 70% of my stache is with Vanguard, and most of it is in VTSAX and VTIAX (70%), 20% in a bond fund (VBTLX), the last 10% in a REIT, healthcare and energy fund. I'm wishing you the very best of luck, and the satisfaction of steering your own ship.