If this were me, here's what I would do:

1: I would get a big bottle of this stuff, throw on a mask and spray the ever loving shit out of that entire basement. Floors, walls, ceiling, corners, etc.

2 Break out the vacuum or shop vac and go around and vacuum up all the spider webs/dead bugs in the corners and whatnot. Really go spring clean on it.

3 Get a bag of diatomaceous earth and put a liberal coating of it all around the perimeters of the basement. All around the base of walls, in window sills and so on.

4 Build a frame to keep your bed up off the floor. You'll need a couple 2x4's, a sheet of plywood and some screws/nails.

" Vet Simotrol Plus has great reviews (something like that). "

Close, it used to be Siphotrol but they changed it to Vet Kem. My vet recommended it and its the only thing I've found that actually works. They have it in an aerosol can but the pump bottle seems to work better and lasts longer. I didn't know they had a topical but I'll use that next year. I don't know if I'd spray that directly on a cat though. The Home/premise spray works great!

https://www.amazon.com/Vet-Kem-Home-Spray-Ounce/dp/B000CQJ5JO/ref=pd_sim_199_3/143-5399843-1492345?_encoding=UTF8&pd_rd_i=B000CQJ5JO&pd_rd_r=c0d8194b-aa93-46ec-9945-70014db8f11f&pd_rd_w=Y28xV&pd_rd_wg=5dydV&pf_rd_p=5c130f77-a5ef-4ffd-9db1-c29a354f52f9&pf_rd_r=32NSARE09MF0EDBTCNNJ&psc=1&refRID=32NSARE09MF0EDBTCNNJ

https://www.amazon.com/Vet-Kem-Ovitrol-Plus-Spray-16-Ounce/dp/B000EMWMJG/ref=cm_cr_arp_d_product_top?ie=UTF8

I've ordered it from Amazon before with no issues - looks like this one will ship to Canada: https://www.amazon.com/gp/aw/d/B007TA5QNA/

Are you trying to move because of the fleas ? either way from experience i can say use a flea bomb, wash your sheets, blankets ,vacuum every day, and put a flea trap where you experience the bites. I adopted a cat and it came with fleas so i did all of the above and got rid of them, Oh and for the car i used a Flea Spray,

Flea trap:

https://www.amazon.com/Victor-M230A-Ultimate-Flea-Trap/dp/B000668Z96?keywords=flea+lights&qid=1540581545&sr=8-4&ref=sr_1_4

​

Flea Spray:

https://www.amazon.com/Hartz-UltraGuard-Plus-Flea-Spray/dp/B0016HDW5G?keywords=Flea+spray&qid=1540582038&sr=8-17&ref=sr_1_17

​

Good Luck.

I'm on mobile now so I'll have to look through my computer history later. But I do remember reading many alarming Amazon reviews (for what they're worth):
http://www.amazon.com/Wondercide-Natural-Flea-Tick-Control/product-reviews/B00A755T1S

There are other pages with hundreds more reviews, and symptoms like paresis, lesions, ataxia, vomiting, and tremors were described too often.

A general article about EO use on pets, from a vet: http://m.petmd.com/blogs/thedailyvet/dr-coates/2014/may/essential-oils-pets-medicine-or-toxin-31617

A summary of a few studies on EOs on animals:
http://www.vet.cornell.edu/consultant/Consult.asp?Fun=Cause_3091

You know how pets can get flea dips and they turn out okay? Turns out, chickens can too - you just have to make it yourself. When it comes to mites, lice, and all sorts of nasties, permethrin straight-up wrecks them. Normally on forums I've always seen people mentioning permethrin powder, but liquid stuff works REALLY well, especially as you can make it so the dip is a bit more concentrated than normal. Not too concentrated though, as that can be dangerous!

Wear gloves+goggles (seriously, do it) and dilute the permethrin to what the instructions say in a fairly large plastic tub or box, whatever could fit an angry chicken. Make sure that there is enough in there so that the liquid dip reaches up to the bottom of the chicken, but make sure the liquid level is not so high as a chicken could potentially drown or injure him/herself.

Then, after you set it up, it's time to dip your first chicken. Plop the confused bird in there and gently massage it's scaley-leg infested legs a bit. Then, lift him/her up and apply vaseline. This serves two purposes: it locks the permethrin in so it doesn't come off AND it helps suffocate the mites. Make sure to give the chicken a nice long foot/leg massage that includes lots and lots of gloopy vaseline. Seriously, if you think you added enough, add a bit more.

After this, the chicken will likely be confused as to why it got a sudden and probably unwanted spa service, but it's for the best! Just let her run around, she might stand still for a bit before doing this though she probably has never been dipped and massaged before- no worries, it's normal.

Repeat this for every chicken, and maybe do it again in ten or so days, just to make sure no mites escaped your wrath. You should see clear, mite-less legs in no time. :)

Oh shoot. Well this is the flea spray and this is the dish soap so maybe you can find something comparable. Best of luck to you! I hope things work out soon and you can start prepping for your little one 💙

Edit: cat baths... Super fun! /s but some are easier than others. Hopefully theirs are ok with it.

http://www.amazon.com/Adams-Plus-Flea-Tick-Mist/dp/B000QCBHK4/ref=sr_1_2?ie=UTF8&qid=1341117048&sr=8-2&keywords=adams+flea+mist and vacuum vacuum vacuum some more! Lots of proactive cleaning to get things under control. Best of luck! It will get better! I used this on the coach and bedspread, mattress cover, etc. It's potent so be sure to keep the room well ventilated.

Nice one, thanks. I found an 8 oz. bottle of Permethrin 10% on Amazon for ten bucks.

There us a product by Bayer called Resultix. It is over the counter, but I'm not sure where to purchase it. Perhaps Amazon? Anyway, Resultix is a spray that kills ticks without you physically having to pull them out. It essentially dehydrates the tick. Very effective. My clinic used to stock it till Petsmart was carrying it for half the price.

After that, get her on a Seresto Collar. It lasts for 8 months and isn't the standard, ineffective flea collar. It actually works. Little pricey, around $65 or so, but dollar for dollar, nothing beats that. It's labeled for fleas and ticks.

Be sure to still keep her on a monthly heartworm prevention, though if you get a Seresto Collar, Trifexis is really overkill. Ask your vet what they would recommend if you have the collar.
Resultix Spray to kill ticks

my cat had a very bad flea infestation a few years ago and I didn't want to use Advantage or Frontline or other pesticide-based OTC flea treatments because they made my cats sick, they were stumbling around like they'd been poisoned, very scary experience, thought they were going to die. will never use Advantage/Frontline/Bayer pesticide-like flea meds again. many reports of these types of flea meds killing pets. there have been reports of Bravecto killing dogs too. i didn't know any better when i was younger, gave this stuff to my pets too, because my vet recommended it. turns out, there are a lot of shitty vets out there. but anyway.

some people will recommend diatomaceous earth or borax, but this did not help me at all, in fact made things worse because it clotted with the blood and fur on my cats lower back, where he couldn't reach in order to groom, and I couldn't effectively clean off with soap and water, so the DE created a warm, wet breeding ground for flea larvae to thrive in and made the infestation worse. dusting your home with this stuff is messy and gross too. would not recommend.

what DID work better than any other flea treatment i've used, and is recommended by many (good) veterinarians, was a mix of cedar oil and water in a spray bottle, and putting a couple of drops of cedar oil directly on their collar. cedar oil worked very well to clear up a moderate-severe flea infestation. quite impressed by how effective it was. it's been a couple of years and my cats haven't had any fleas ever since. cedar oil also helps repel moths from eating wool sweaters and clothes in your closet. unintended benefit. moths hate cedar oil.

i have never used Wondercide but it's basically just cedar oil and water, and if reviews are to be believed, it's pretty popular as a flea repellent, in case you don't want to make your own spray at home. good luck.

https://www.amazon.com/Wondercide-Natural-Flea-Tick-Control/dp/B00V75QXEY

Hartz Ultraguard Plus - Home. They sell it at Walmart. Get 3 or 4 bottles and go at it.
http://www.amazon.com/Hartz-UltraGuard-Plus-Flea-Spray/dp/B0016HDW5G

Rats or some type of animal are bringing in the fleas!