Buf if I got a condo on a cloud
Several ways to interpret this line (and song as a whole):
He’s obviously high, and since you can’t get a condo on a cloud, he’s trying to hide not wanting her to stay at his place.
Since he’s high, in reality he’s just as bad as she is — see the annotations for the previous lines. He’s accepting of his inherent human vices and muses that if he’s high too then they can both spend time getting high, sinning, together (next line — “Then I guess you can stay at my place”) instead of trying to fight it.
“But if I got a condo on a cloud, then I guess you can stay at my place.” He may also be saying “If I have a place in Heaven, then you can stay with me.” He wants her with him despite their shaky relationship. She is his soulmate.(“You’re my Pilot Jones”– You’re the person who takes me places.) She piloted his life until she became an alcoholic and a stoner. But in the end he forgives her anyway because they are soul mates.
Or simply since she — the “dealer” — is providing him with a spot in the clouds (getting him high), he figures that they might as well spend more time together.
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