I suggest go for a simple handheld multimeter something like a UT-71D.
With the rest of the money you build yourself a few 4 1/2 digit voltmeters with the good old ICL7135 / TLC7135. You just need someone that can help you calibrate the 1.000 Vref. With something like LTC6655B-2.5LS8 you are on a good way for stability in this case but there are a few other voltage references that fit the requirements too.
In most cases you don't need more than 4 1/2 digits, but it was settled into the head of some beginners to need >5 1/2 digit multimeter, for what ever, same story as with oscilloscopes.
Remember, 4 1/2 digit equals 15bit, 5 1/2 digit equals 18bit, 6 1/2 digit equals 21bit. Refer to AN82 (Linear Technology).