Would you recommend Great Wealth Advantage from GE for retirement investment purpose?

As you have mentioned, the fees are at 2.5% which is rather hefty. You can consider roboadvisors/regular savings plan as an alternative where fees can be lower than 0.8%. If you are willing to dedicate more time/money, you can do-it-yourself and potentially bringing down the cost of investment to less than 0.5%.

Unless you are unable to save voluntarily and require a fixed savings plan, I dont think getting it for the sole purpose of retirement/investment is worth it due to the high fees.