Too many unknowns about your scenario, but given the general case of $50k in savings for a family of 7, my first question would be how much of that would you need for 8 months of emergency living expenses in case you lost your main source of income/job? You can't touch that money. Say it's $40k, which would leave $10k for investment. I'd calculate a percentage based on that amount as your max tolerance depending on what other kinds of investments and debts you have (e.g. an index fund should be the first thing you buy). So say that's 50%, which means you can play with about $5k. Don't spend all $5k on one order; spend 25% today, another 25% on a down day, and so on until you've got all your shares, say around 50k shares with current pps if you catch a couple dips.
You only invest in a stock like this with money you're prepared to go to $0 pps, resulting in absolute total loss your investment. True for any stock technically, but the level of risk is highest with something like this. Only you can decide what that amount is.
I've owned this stock since it was EFSF (that's probably approaching a decade) and though I've flipped a few shares over the years, I still have a majority of my holdings, and overall I'm in the red big time. So obviously I'm hoping for a major x bagger, but I'm also prepared to lose my entire investment. I knew that going in and that's an acceptable risk for me. Despite the fact that this is the most appealing and most promising this stock has ever looked, I tell all my friends and colleagues to only spend an amount they're absolutely prepared to lose in its entirety.
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