I guess in every cases the 12,500 FUN membership package is still worthful, because it's relatively cheap, while rewarding decent bonusses, especially if you are a bitcoin investor inside the freebitco.in platform, so you enjoy the extra daily paid interest a lot, since you will be receiving it in bitcoin itself, and not altcoins which aren't able to grow on the same proportion of BTC.
The important here is to notice FUN is the key to boost earnings in bitcoin. That is what makes the investment on this token so interesting.
I agree, I mean I think that you should buy as much as you can afford to risk, that's always the number one thing. If you can't afford to risk 12.5k then don't buy it, if you can afford to buy more, then buy as much as you can, that's a whole another topic and you should always be careful.
However, if we go back to decent sizes, I think 12.5k is definitely one of the best offers out there because not only it gives you a good return, you could lock it and earn more as well, but also it is quite cheap at the same time and it shouldn't really hurt anyone's finances to get that much considering the price. It's like those subscription packages on some websites, they offer a few options and pick one as the most popular.