Joined: Jan 2009
Posts: 44,179
Likes: 6,413
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
There are church rummage sales. You may not find cycling tights there, but sweaters are reasonable alternatives to jerseys.
And there are occasional bike swaps where you can find used clothing.
And thrift shops such as Good Will and Salvation Army.