Related Clues:

• Food largely prepared in guest house, say, is basically reliable
• Study in holiday accommodation, say, that's reliable
• Standard, as interpreted in accommodation, say
• Bacon brought home — what else for a sandwich?
• Bacon brought home for what might surround it?
• Basic command of literacy and of conversation each given upper B
• Living on board
• Return a bad debt, ruining livelihood
• Urban trade debt ruined livelihood
• Ordinary components of pudding?
• Main source of income indicated in guest house, say
• Study, say, covered by B 'n' B giving livelihood
• Fundamental source of livelihood
• A bad return, with debt, ruined livelihood
• Restaurant freebies before a meal