I do make kits, so I will add some thoughts. I have not done a wine buddy kit, but you are likely to be saddened by the fact that 7 days does not ever make wine. Kit juice, grapes or country wines, a week just doesn't do it. You will have fermented juice with alcohol in it, but there are many variables, time being a HUGE factor, that will make your wine taste good. There are drastic changes in the first 6 months a wine is aging.
I make 4-6 and 6-8 week kits. I follow the first steps closely and then I break all of the rules. I do not add clearing agents as I let the wine age long enough that it clears on it's own. My minimum to consider bottling is 3 months AFTER the recommended 6-8 weeks.
You should taste at every step. I taste the kit juice, I taste during fermentation, and before transferring to secondary once fermentation is complete. Once your kit is finished, (7 days?) you should taste it. It will likely be harsh and jagged as it will be carbonated and yeasty. My first kit was an 8 week and I didn't like it at that point. That made the choice to age it easier. 3 months later it was good, and at that point I bottled it. My personal rule.. Wine is ready when it tastes good. If your goal is a cheap buzz, 7 days might cut it, but you will have to decide that. If you want a developed wine, nothing but time will do that.
Wine is very forgiving. It is very hard to ruin it other than HEAVY oxygen exposure. Either introducing it into the wine during transfer or longer term exposure. ie. an open vessel for days or too much head space. Fill all of your vessels (carboy or bottle) within a inch or so of the top to mitigate long term exposure and only use your hydrometer to decide when you are ready to move on to the next step. The bubbling in the airlock is not a gauge as to what stage the fermentation is at, just that there is still a lot of CO2 present. Once you get to the degassing stage of the wine you will get a better idea of the how it currently tastes and you can make a choice there based on how it tastes.
I found the instructions for this kit. They must add something in the packs to degas as it is usually done with agitation. I would move on to the day six instructions once your hydrometer reads below 1.000. It may go as low as .994. Then at the day 7 instructions, once clear, I would taste and decide whether to age or bottle.
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