In real life, William Shatner became an unemployed actor after his success on the Star Trek series and became homeless. He was literally living in a Chevy pickup truck.
I never heard about him being homeless.
I figured he kept busy with cheesy made-for-TV movies, commercials, TV show appearances (like Mission Impossible & various police dramas), voice work (ST the animated series & documentary narrations), until his return to the ST movies and his resurgence on several successful TV series.