[ars]

I think they play it that way because the houses always get lost, so you never know how many there really are supposed to be. So you use stand-in pieces, with no limit.

[LordBodak]

Well, every set I've ever had came with extras, and the number you're supposed to use is printed right there in the instructions.

[ars]

Assuming you didn't loose the instructions too......

[LordBodak]

If you lose the instructions then the odds are there are many other rules you're not following.

[bengarvey]

Monopoly's instructions are printed on cardboard and are part of the box. Hard to lose unless you are loose with that sort of thing.

[ars]

Not in mine. Mine came on a tiny booklet.