Was he upfront about the eviction? 

If the days are too hot, the past may dry-out before it has an opportunity to leach the oil.When you wash your paste away, scrub the spot with water and Dawn dish liquid.I've had fairly good results with this method of cleaning up after leaky student vehicles.

I saw her mom going to the laundry room doing washes. 

If it's a wash, or an unknown gamble, then you are wasting your time to do any more to the property.It's a tough decision only you can answer but right now it's costing you more money to hold. 

My question is if it is even worth it financially to pursue the unpaid portion of the lease if I am unable to re-rent for a while or will I likely just be bogged down with legal fees making it all a wash.

-----The updates I am planning are power washing/new windows/landscaping.Thanks for anyone who can answer this for me.  

I leave a package of soap in each dish in the bathroom tubs and sinks (or if there are soap dispensers make sure these are filled) and leave a small bottle of dish washing liquid by kitchen sink/small box of those dishwasher pellets in rental properties with dishwashers.

She could drive through a car wash somewhere else.  

Part of the deal was he was to cut both sides for 2 years - I bought the gas.

I personally would do the followingnew grass power wash house and walkwaypaint siding / remove shutter or install functional shutters.