Laser levels can be had so cheap you might as well have one. I got one for
under $5 once. There's lots of them under $20. I wouldn't buy a expensive
one. Certainly there are those that are more than there worth. What I'm
talking about is a 16" bubble level with a laser on one end. I suspect that
some of the gimmicky ones marketed for homeowners are less accurate than
these. I'd still want a good 2 ft and 4 ft level.
John