It's crucial to understand the extent of structural and electrical damage, as well as any potential hazards like smoke or mold.

Tenants must receive; signed Certificate of Rental Suitability no more than 60 days before move-in, Partners in Good Housing Pamphlet, Lead Free/Safe Cert (if built before 1978), smoking policy for multi-unit properties, Bed Bug notice as you describe above.For Pennsylvania: It's also best practice for property owners to include a lease provision that waives the Notice to Quit requirement of the PA Landlord Tenant Act.

Always meet in person:  This will give you a good idea of the person, if they're smoking a cigarette while talking to you, or being very negative about their previous landlord make sure you make note of that.4.)

They will check for everything to ensure safety and habitable. i.e. doors/locks, lights, detectors, windows/screens, appliances (stove with anti-tip plate), hand rails, wiring in the unit and in the basement, lead paint (if children).....etc6.

Smoke detectors are two screws and a batteryScreen door could be tricky depends on if screen just needs repaired or replaced. 

I do feel like anyone serious enough will just take the two minutes to answer the seven questions, which basically just establish if they meet the minimum requirements (3x the income, Credit Score, No Pets/Smoking, etc). 

The whole thing is smoke and mirrors.

The cost is minimal and I am smoking the closest competitors in my market.

Whole house burned to the ground, likely due to guests smoking on the deck.

Similarly if you currently allow smoking you cannot change the least to prohibit smoking.