There were several incidents that led to the closure of Margot's
business. First was a terrible fire in 1960.It closed her spectacular showroom and she had to relocate to off the zocalo(main jewelry sales area) to a new location on the highway to Mexico City (now called the
Avenida Kennedy). Then she moved again in 1973 to a smaller shop nearby.
Then her workshop unionized.She had difficulty with the yearly
contract negotiations for higher wages and shorter hours. There was a strike in 1974 and she had to close the shop for several months. Then a number of the silversmiths began leaving the workshop and production dropped.  Overhead remained high,and soon Margot was in deep debt.
Eventually the government seized her business and sold it to pay the workers. Some of the design molds were given tovarious workers as payment for back wages.  It was after this that she had to sell her home
and move in with Maria Castillo.