BUGGSSSS = dirty bastards

ok so my plants are about 3 weeks old i posted a little while back and everyone told me to separate them so i did and i moved them out into a nice remote spot well the other day i was checking on them and realized i forgot to poke the holes in the flower pots uhoh so next day BIG STORM i went to check on them the day after and the had a puddle in each pot so as the dumb stoner that i am i tilt the pots over at the same freakin time and wat do ya kno i lose my plants to a friggin landslide so i slowly pull both out of the wreakage and carry them to my house wash them off and get a new pot for them each (by the way im extremely stoned right now) and replant them in some nice soil i think its miracle grow my friend brought it to me well i put them straight back in the sun with some fresh water and they begin to get extremley droopy so i give them some shade ok **present day** i go check on my plants earlier and my tallest one has a hole throught the leaf the nice big like 2 set of leaves is fuckin shredded well i come home pissed as hell and tell my brother so he looks at them a little while later he comes back and tells me that there is this long brown like centipede with a shit load of legs is crawlin all in my soil so my question is what should i do he got rid of that one but how do i kno if thats the only one i dont want to lose my little babies ya kno is this maybe because i added eggshells when i put them back in there spots and also hair (shaved head) ... sorry this is such a long ass post but im gonna go and thanks for ANY help i need to get rid of these bugs because honestly i cant afford to loose my plants but nor can i afford to buy insecticide

Thanks .
RollingInNC