Or when they smoke in their apartment (a lease violation) and it permeates throughout the building into the other units.In order for me to provide a safe and well-maintained space for people to live, I must sometimes use power tools to accomplish that.

Built into televisions, laptops, Alexa, Google and Apple devices, not to mention a slew of "spy" cameras designed to look like ordinary household items (water bottles, phone chargers, clocks, smoke detectors, shower heads, and even teddy bears).

Issues such as who handles the yardwork (if a house) and what is the policy on pets and smoking should also be addressed in the lease.On the other hand this type of rental situation can be lucrative. 

Or ask him to open the window when smoking.

Cat smell, smoke, generally dingy and musty.

For example, here's a short list of things we'll be looking to update while living in the unit:- Clogged upstairs bathroom drain-Need bathroom fan- Bathtub porcelain chipped- Broken balcony door- Broken kitchen window- Missing smoke detectors- Redo kitchen floors- Refinish living room floors- Paint in all rooms- Improve kitchen cabinetsWe don't have a specific $$ budget, but we're always looking to keep costs low while providing quality.

We had to use 3 coats of Kilz to neutralize the smoke smell, replaced all the carpet, new granite in the kitchen and bath, new appliances and flooring, new fixtures and switches/plugs, and a little drywall work.

The inspector missed that there was a window pane that was entirely unsealed and that none of the smoke detectors had dates written on them and that 4 of the 7 (long story as to why there's 7--the fire code changed) were dead. 

I purchased a house in 2015 and I got a smoking hot deal on it.

If you find a smoking deal and the appraisal comes in way higher than the purchase price you may be able to get away with putting 15% down.If you're looking for high leverage it is best to buy a property with a bridge loan, add in value, and then preform a refi.