DIY vs. professional pest control: when to spend money and when to save it
Not every pest problem requires a professional. Some genuinely don't; some absolutely do; and the middle is where most homeowners waste money on either failed DIY or unnecessary contracts. Here's the breakdown.
Pure DIY territory
Pavement ants in cracks. Occasional indoor ant trails (one type, one location). Single wasp nest you can safely access. Pantry moths. Fruit flies. Spiders. These are all solvable with hardware-store solutions and 30 minutes of work. Don't pay $200 for a problem solvable with a $15 bait kit.
DIY first, pro if it persists
Mice in one location (3–5 snap traps, 2 weeks). Carpenter ants if you can find the nest. Cockroaches in a single apartment. Yellow jacket nests below ground. Try DIY for 2–4 weeks; if pest count isn't dropping, escalate to a pro.
Pro from the start
Bed bugs (DIY fails ~95% of the time, and during your failure they spread). Termites of any species (one missed colony costs $10K+ later). Wildlife in attic or walls (legal/permit concerns plus exclusion expertise). Active rat populations (they're smarter than mice; require exclusion + multi-modal trapping). Multiple roach species. Brown recluse or black widow infestation.
Pro for prevention, not just reaction
If you're in a TIP Zone #1 termite state (FL, TX, GA, SC, NC, MS, AL, LA, AR, OK, MO, TN, KY), an annual termite inspection plus active treatment system is non-optional. The math always favors prevention. Same for coastal HI.
DIY for simple, single-location problems. Pro for anything involving termites, bed bugs, wildlife, or multi-room infestations. The middle gets re-evaluated after 30 days of DIY effort.