First time grower thinking of buying these nutrients worth it?

So I found this deal on craigslist http://westernmass.craigslist.org/grd/5852037832.html
for a 100 I was going to offer 80 comes with:

1 gallon tiger bloom 100% full unopened
1 gallon cal mag 50% half full
1 gallon big bloom 60% more than half full
1 gallon grow big, 75-80% full
3 piece kit
Beastie blooms 25% left
Open sesame 40-45% left
Cha ching 100% full
Half bottle of pH up
Bush doctor microbe brew 32oz half full
pH test strips
Aza max solution full.

does this stuff go bad?

frankslan said:

So I found this deal on craigslist http://westernmass.craigslist.org/grd/5852037832.html
for a 100 I was going to offer 80 comes with:

1 gallon tiger bloom 100% full unopened
1 gallon cal mag 50% half full
1 gallon big bloom 60% more than half full
1 gallon grow big, 75-80% full
3 piece kit
Beastie blooms 25% left
Open sesame 40-45% left
Cha ching 100% full
Half bottle of pH up
Bush doctor microbe brew 32oz half full
pH test strips
Aza max solution full.

does this stuff go bad?

Click to expand...

I'm kinda new to growing also buy new I do believe they have to be stored properly n prob have some type of shelf life I am trying out RX solutions n so far doing great good luck cause I know I prob need it lol