U.S Based Equipment Sourcer Needed

I am looking for a U.S.–based partner who can track down reliable, fairly-priced, second-hand test and measurement instruments from both Rohde & Schwarz and Keysight. Price is the primary driver, provided the units remain in good working order... (Budget: $30 - $250 USD, Jobs: Logistics, Market Research, Sales, Sales Management, Sales Promotion, Sourcing, Supplier Sourcing, Supplier Verification)