safe as houses

Etymology
Refererring to the investment value of property.

Adjective

 * 1)  Very secure.
 * 2) * 1808, William Milton, "Memorial", Appendix 6A to Third Report from the Committee on the Highways of the Kingdon, House of Commons papers
 * In objection to this Coach, it is urged by the Coachmen that it looks heavy; and that they had rather break a leg now and then than drive such an ugly thing; but it regularly makes part of their sarcasm, that "It is as safe as a house"
 * 1) * 1895, E. M. Stooke, Not Exactly, as cited in The English Dialect Dictionary: R-S, Volume 5, Joseph Wright, editor, 1904
 * Yes'ir, I'm saved as safe as houses
 * 1) * 1895, E. M. Stooke, Not Exactly, as cited in The English Dialect Dictionary: R-S, Volume 5, Joseph Wright, editor, 1904
 * Yes'ir, I'm saved as safe as houses