I would say the overall strategy is an excellent one, although I’m not sure you need 30 mutual funds to do it.
Portfolio rebalancing is a very solid way to go. You force yourself to buy low and sell high, but without trying to “time” the market.
I put all my eggs in trusting the US Congress and US Treasury to deploy more deficit spending and more treasury notes to fund it.
They will continue to debase the currency in this fashion, just like many other countries have done all the way back to the Romans -and the Carthaginians before them.
This is why I’m in commodity stocks. Something economies must have to feed their kleptocracy while keeping the pbles from revolting.
One of the reasons I go with 30 equities mutual funds is to have a larger portion in equities during retirement (75%). Basically, when the stock market tanks, by being more spread out I increase the odds that even a few of my equities funds are up. If I wasn't so spread out I might decrease my equities portion to about 50% of the portfolio, which IMHO makes it harder for my portfolio to keep up with inflation. It's my intention for my annual 4% withdrawal (pretending I was fully retired now for the rest of my life) of my portfolio to on average go up at least as much as inflation.
That's also part of why I have tons of solar and do most of our driving in an EV. I've done away with energy cost inflation by replacing my sky high power bill + sky high natural gas bill + sky high cost of gasoline at the pump with a HELOC payment with a fixed low interest rate paying for the solar and other energy improvements I did to the house (including converting my two nat gas appliances to electric, variable speed heat pump, and hybrid water heater that runs at only 380W and produces a free cold air byproduct that I utilize for cooling my home during the warm half of the year). As I pay down on the HELOC balance, the HELOC minimum payment goes down (less expense), while I'm avoiding most of my energy costs that on average go up (last year my power bills averaged $74/month, including charging the EV at home for over 1,300 miles per month, because 83% of my power was produced in-house with only 17% of my power having to be pulled from the grid). Even if Trump and/or someone else gets back in power and lowers our energy costs, I've removed a lot of the uncertainty in future energy expenses by making it so we have to buy less energy anyway. That allows me to better plan my future expenses (a predictable HELOC payment instead of unpredictable energy costs), which lets me better plan my investments to handle future expenses.