FLIES basically hold multiplying!? especially in our kitchen...They're not fruit flies or anything, they are the...

especially in our kitchen...They're not fruit flies or anything, they are the biggest ones you can imagine!! I am so disgusted by them...I kill nearly 100 of them ( I am not even exaggerating) but they keep coming I even sprayed the whole place..I expect I don't even know where EXACTLY they're coming from but all I know is they appear surrounded by the kitchen.. I have no idea what to do, please lend a hand!
Where can i buy cheaper bed?
The nest must be somewhere nearby may not be in the kitchen but outside. How give or take a few your neighbours? Are they also having the same problems? Files are attracted to rotting stuff. They multiply by lay their eggs in rotten food or meat. That's how the larvae nurture and grow into adult flies.You may have to take the pest exterminator if this problem doesn't go away by three days.
What can i be expected to reward for...
wow... i would like phone call and exterminator...but if you dont want to spend the money, look around your kitchen for like rottin food under the fridge,oven, or somewhere else disguised...
if that doesnt work and nothin else has open your window and doors to let the flies out.
Roughly how much might it cost to hold...
omg i had this problem a couple of weeks ago! i have never seen these huge flies before, they be as big as horseflies but they were NOT...they were giant houseflies! i kept finding them everywhere and also could not numeral out where they came from!
adjectives i can tell you is what i did, and it resulted (in a few days) in getting rid of them. i be limited bc i have a 19month feeble and i'm pregnant. you may be able to get rid of them better, but what i did be :

cleaned garbage cans next to bleach
cleaned back porch with bleach (had stored rubbish there)
kept killing them in house near a flyswatter whenever i saw them
turned the air conditioner way down to 68-69 whenever i could stand it...flies don't close to it below 70.
after a few days, they disappeared as quickly as they had come.
upright luck
Was it a cockroach?
Answers:    Like moonlit said,

Flies are attracted to rotting things. Things that would attract bacteria. If there is something that could enjoy a bad infestation of bacteria, flies will come to it.

Bleach bleach bleach.

Keeping your house spick and span. Especially if you own children or pets, food or other could be trapped in corners of kitchen floors and carpets even if you vaccum/wash. Inspect your house and find the source. Check lower than the fridge for spilled items.

Make sure your freezer is FROZEN.. if the meat inside isnt cold enough, flies will be attracted to it.

Clean out cabinets. Any food that have to be in there, produce sure it is SECURELY CLOSED.. double bag, or put in containers.

Keep fruit and veggies contained by the open fresh. Any rotting will attract bugs.

Empty soda cans/beer cans/or other containers that had food within it perhaps sitting in a recycle bin. Keep them away from your house. If you don't take recycling out ample, make sure you get contained by the habit of rinsing everything well earlier putting it aside.

Can't really think of anything else. But I just know the smallest article can attract flies.. as a child I was traumatized after looking under the fridge, within was spilled jelly and god knows what else -- and maggots be loving it. :)

Fly paper and other works well to slay them, but it wont stop the cause. Need to find the root of your problems. Even an exterminator -- all they do is basically kill the initial infestation. Unless you figure out why and how they are coming inside, they'll come spinal column and you'll lose a lot of money :)
Accidentally departed the oven on 375 degree for...
Try flypaper and spray around all your window.