First deal under contract! But appraisal came in low...

[Kole Halladay]

Hey guys! I have property Under contract for $215,000. It’s a 5 bed 3 bath 2,050 sq ft home built in 1995. It’s a stand-alone home part of a gated community built in the 90’s. It’s on the same road as the high school and just 1 block from main-street. 
 Originally I thought it would appraise for 240-250k, but the appraisal just came back at $215,000. The appraiser used only comps within this community mixed with apartments, condos and townhomes that share a pool, tennis courts, all maintenance exterior and RV parking. I should have foreseen this with the fact that I won’t own the land. 
I have about $13,000 in credits with CC and my real estate commission. My all in monthly payments, including tax, insurance, HOA fees in about $1,100. Rent comps run $1,600-$1,900 (updated at $1,900). The cash flow will be good. But my equity won't be where I thought. Should I still buy it?
I am in the real estate for the long run. Buy and hold. 
I make about 84k as a career firefighter. And just got my real estate license and make about 5-7k a month for the past 6 months.
I am using a HELOC on my primary residence for the down payment. The HELOC payment is $108.
what do you guys think?