Have patience, there is no hurry to invest or trade at the moment as markets are in correction. Nasdaq 100 is -5.6% and this correction is not over yet. One may get into QQQ at -8% to -10% so ones downside risk exposure look better.
But you are looking for something everyone else is looking for, that all depends on your capital and what your class as "decent". You want an oxymoron, yield without effort and risk, for some reason you believe that your inability to trade won't follow you in to money management. The reason you place funds in custody is because you don't have time or you want to leverage, the due diligence doesn't change. You have art, you have cars, but as you won't have that capital the options diminish as you go down the pyramid until you end up with too many chasing too few options. So you have to take more educated risk or accept what the masses have access to. Know people to park funds for extreme risk that generate 300-500%/yr net, or low risk 15-20%/yr net, and a few in between, but they don't know you so they won't touch your capital. Unless you know people who know people, no one is going to give you access to anything outside of 'normal', or you just buy an ICO which is the hot new thing and hope you're not holding the tulip bulb at the end. Funny question though.
Currently you make about $2 per day (M-F) per $100k in a cash sweep with IB & Fidelity. At least it's trending up, we are so far out of historical norms, hence there may be some up side down the road?
what you effectively saying is: "I want to invest because I am not good at trading" why do you assume that investing is easier than trading? imho it is not you surely can do like most others - invest it somewhere... be it cd, mutual fund, bonds or just some blue chips but its sounds that you want to be intelligent about it - to know what to do, to know what to buy, when to buy, how to manage (without being in front of monitor daily) and when to sell depending on your goals, time horizons, risk you willing to take, etc, etc well, one can not be intelligent about it without having working investment methods... even if you decide: the hell with it, I will keep everything in cash, immediate question arise - in what currency? ... and again you need investment method to decide what to do? anything or nothing... but mostly hope or pray
the OP doesn't give enough info. for others to advise him at this time. his time horizon, his risk tolerance and his true financial situation etc. are unknown factors.
Most traders and fund managers are basically just sit and hold investors who leave things to chance, -- and you know how fickle chance can be, And besides, the collective average masses are losers in any given sample, -- I'm not concerned or do I care about them, I focus/follow/learn about the 'elite', (no pun intended) the Top Gun select few of a group...who have decided they don't want to be average, and have the inclination and skill to breakaway,
+"Trading is not that hard or random," these statements are false. it is was true their performance would equal that of the indexes. in reality their performances are sub par.