Why would he have to buy the stuff that way? at Denny's in what, a limo? The maid was at the house. Why risk detection in public? Get real. This whole thing is SO bogus! I feel obligated to inform you that you are a fair weather friend ;)...why do you think Rush let you down?
"Why would he have to buy the stuff that way? at Denny's in what, a limo? The maid was at the house."
Not at that time. Marta had fired at that point. That facilitated the sneaking around.