Advice on what to charge for "everything included" rent?!

[Jeff A.]

Hello!

I was considering of dividing my first floor apartment on my multifamily into two units utilizing the same meter.

I was wondering if theres a rule of thumb or formula on what to charge when considering this route. 

I certainly don't want take a loss and be vulnerable to potential tenants abusing electricity/heat.

Any suggestions or advice?

Thanks :)