I have thought of spray foam which creates its own vapor barrier but it is way too big of a job for the standard DIY kits. 

I spent approx $7k getting the unit ready new floors, appliances, vanity, sprayed the shower/tub, etc...it looked great.

@Dustin WoodleyI use a spray bottle of rubbing alcohol when applying silicon.

Taxes/ year: $3,002,  Insurance: $1,573,  Trash/ year: $654,   Electric/ year (exterior lights): $420,   Water/ year: $1,200 sewer/ year: $1,500,   Spray for bugs/ prevention: $311/ year,    Lawn cutting/ year: $640,   Misc (furnace filters/ 9v batteries): $250I have gotten mixed reviews back from my colleagues when they go over these numbers with me.

She told me that she did not want her apartment to be sprayed because her 20 year old daughter has asthma.  

At the very minimum something like the Defense Tech Mk-6 stream spray. 

The lighting fixtures should be updated or spray painted to look new.

Then it became apparent the irrigation nozzles were routinely spraying water against my house and subsequently that this water was getting in - carpets were damp coming through from padding below.After checking pipes etc with a couple plumbers who found nothing wrong with any pipes in summer and fall 2017 ...

I have spray painted ugly metal windows or sliding doors with a quality white paint.

In my house when the walls are sprayed with ammonia the brown tar and nicotine run down the wall.