If I want to invest 2.4k semiannually, should I do it via roboadvisors or DIY?

I believe it is important to take into account the costs of execution be it using Robo-Advisor or DIY ETF investing. Robo-advisor fee structure is based on AUM while DIY ETF investing is based on transaction. So in the long run, DIY ETF will be cheaper since you purchase these ETFs every 6 months. However, short term wise the cost will be cheaper with Robo-Advisor because your AUM is small but the cost will grow every year. I feel DIY ETF is short term pain, long term gains kinda of thing.

If u want it fuss-free or stress-free& leave it all to the experts?? Then a robo

but u have to pick one which u felt the platform is user-friendly cos i believe such claims are hard to determine: https://www.facebook.com/726848641013238/posts/...