Nice article about the cheapest neighborhoods that are bike friendly in Buenos Aires.
https://www-lanacion-com-ar.translate.goog/propiedades/casas-y-departamentos/los-5-barrios-que-son-bici-friendly-y-los-mas-baratos-para-alquilar-departamento-nid08062024/?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US