I have to admit I was surprised to see this Canadian Pres article about MLSE (owners of the Maple Leafs, Raptors and Toronto FC) kicking the tires on buying the Argonauts and having them play at Toronto FC's BMO field.
With the Blue Jay's wanting to switch to natural turf in the Roger's Centre and eventually booting the Argos, playing at a reconfigured BMO would be a good option and would give the Argos a chance for a sellout.
For MLSE, given that the CFL salary cap is around $4.4 million, and that MLSE already has a big ticketing and market infrastructure available, turning a profit on the Argos wouldn't be that hard. Especially since attendance is bound to go up from the cavernous and crappy for football Roger's Centre. Also for the naming rights, getting repeated nationwide exposure on TSN for the CFL would be an improvement, since TFC's television ratings are dismal compared to the CFL.