Math: - 1 unit/mo for 10 years at 7%/yr => 172 units. - 172 units @ 7%/yr for 35 years => 1,836 units vs. - 1 unit/mo for 35 years at 7%/yr => 1,721 units

Math: - 1 unit/mo for 10 years at 7%/yr => 172 units. - 172 units @ 7%/yr for 35 years => 1,836 units vs. - 1 unit/mo for 35 years at 7%/yr => 1,721 units Depends on rates though who comes out in front.