If you're seeing little (or big) greyish blobs forming on your wall (or MAYBE what ever color of paint you have if they've not broken through it) You've got a serious problem.
I spray down my windows once a week during swarming season to just kill whatever gets through.
I use a combo of this and this and it works well to keep the swarm inside down.
Just spray down the windows right before sun down especially if it rained that day.
Termites, spiders, and roaches. These are things that you cannot escape. You can treat for them, but it's not always the best.
I generally go after the termites and roaches... I've come to peace with spiders.
I've got my house under termite contract BUT I use these to spot treat when needed
Spectracide 53370 Termite Killing Foam, 16-Ounce Aerosol https://www.amazon.com/dp/B001D226J2/ref=cm_sw_r_awd_fqq0vbYA0SNHN
Premise Foam Termiticide,termite Spray https://www.amazon.com/dp/B003BWS8TO/ref=cm_sw_r_awd_-qq0vb254EK2T
And I use this for the small roaches
Maxforce Fc Roach Bait Gel 60g 1 Box (3 Syringes) https://www.amazon.com/dp/B002Z37C9C/ref=cm_sw_r_awd_wsq0vb4QEMWSW
Combat Source Kill Max R2 Large Roach, 8 Child-Resistant Bait Stations https://www.amazon.com/dp/B001ACMBJK/ref=cm_sw_r_awd_Tsq0vb6V238JQ