A level of 4ft or longer, chalk line, lap clamp, joint flashing, hardie saw blade, and a good saw for professional cuts.  

If the blade falls off and they chop off their toe, the situation becomes an opportunity for a lawyer to look into what kind of assets you might be willing to part with.

Be careful if you blade snow.Payback is about 12 years.Not the best use of the land, but didn't need it at the time for storage.Put at 60 degree angle, otherwise you get a lot less spaces, since your driveways have to be wider.

Also I hear a sharp lawnmower blade helps as well.

The blade swings both ways.If you want someone to lend you money, you need to flexible and negotiate.

Make sure you tape it off first and trace your cutouts on the tape to ensure you don't splinter the wood to much and use a fine tooth blade for a nice cut.

Deadmen will hold the wall straighter over time but that "hill" you have is so slight anything is going to work there.Can you build in front of it?

This is similar to the recombinant DNA sequencing, they tried to do in the Blade Runner movie. 

Yes, we had two deals under contract before the fecal matter hit the rotating blades.

. ($200)If he has a 10-inch table saw, and most of us do, a Freud thin-kerf combination blade. ($80)If he messes around at all with granite or marble slab, a Makita wet stone polisher ($300)If he does wood flooring, pneumatic Bostich Mark IIIFN (Flooring Nailer) ($350)For that matter,the right 16-gauge manual nailer (Bostich MFN-201) ($220)Any sort of roofing, buy him a heavy-duty climbing harness ($100)Good sized air compressor for woodworking and painting ($200)If he does tile, he likely has a big 10-inch tile saw with a sliding table, but he'll still appreciate a more mobile Ridgid 7-inch saw of the same basic design.