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I'm familiar with Option Alpha from his free material (youtube and podcast). What he advocates is definitely a grinder style, not a get rich quick, and I wouldn't fault him for wanting to make some low variance income on the side with his website and videos.
That said I find he oversimplifies things quite a bit. His motto is "implied volatility is always overstated." Of course he doesn't actually believe that because he does have some criteria for determining if he's getting enough credit to enter the position. He trades credit spreads, short iron condors, which is basically a credit spread above and below the market, and some naked short options.
I also find he focuses too much on probability instead of expectation. Once you know what I'm talking about, you will find his material very annoying, as over and over again he stresses "high probability trades". But the probability alone is meaningless without also factoring in analysis of how much you're losing when you lose and how much you're getting when you win, i.e. expectation.
Credit spreads, short iron condors, and naked short options are low reward, high risk trades that require a fairly high win probability just to break even. It's not enough to just look at probability, which is something you could do in an even-money risk:reward situation. You're going to have to know how to evaluate potential trades for expectation, and you're also going to need to know how to adjust your position over time as it goes in your favor or against you, which is an art in itself.
Now naked option selling is a very risky strategy, and most brokers aren't going to let you do it without a good amount of money in your account, and option trading experience as well. This also applies, to a slightly lesser extent, with spreads. Although in a spread the position is covered, there are some risks any time you have a short leg: you could be assigned because someone does an early exercise, and find yourself with a long or short stock that you do not have enough funds in your account to hold. There is also pin risk and other weird things that can happen at expiration:
Link. So basically your plan to deposit the minimum in a broker account and "play around" with credit spreads and such is a non-starter.