Need advices - first time buying 2 New townhomes in Fulshear, TX

[Ho Chi Chris Cheung]

I’m a newbie investor here - 

Recently found 2 townhomes in Fulshear, TX - next to katy - selling $426000 total. Both townhomes are still under contructions ready early next year - it’s a 3 bedrooms - do any investors here think that it’s a good rental properties? A good investment?

this is the numbers:

$426000- price total

20% down- $85200

My mortgage rate - 5% - $357840

$996 - principal & interest

3.45% property tax rate - $1207/ mo

$113 + $95 each house's HOA + access to community fitness center

Total : $2617/mo out of pocket 

Expected rents $2000/mo each house

8% vacancy rate - $3667/ mo income

2 years warranty for plumbing/ ac/ heater 

Cash on cash return - 14.7%  before the repairs cost portion

Thanks in advance for any input !