wrote...

how much would it cost min/max to install a gas line from the street to
my house?

The only way to find out is to call your gas company and ask. When gas
arrived in my neighborhood, it was $x/foot (and I've completely forgotten
the value of "x") but the gas company paid for the first "y" feet (and I've
forgotten the value of "y", too). My lot was quite deep so I think it cost
me several hundred bucks even with the gas company covering a majority of
the length--but my job involved trenching through a lot of solid limestone
and some hand work as the trench passed around
water/sewer/phone/electric/cable lines.

Craig