As all your children LLC have you as a member, the money should go directly from the child to you.

Child LLC's can readily borrow funds from their parent company with no issues.. 

We are currently expecting our first child in less than a month so we are surely in for a life change very soon.  

For a rental unit which has an additional tenant joining the occupants of the rental unit thereby resulting in an increase in the number of tenants existing at the inception of the tenancy:(a) The landlord may increase the maximum rent or maximum adjusted rent by an amount not to exceed 10% for each additional tenant that joins the occupants of the rental unit, except as follows:  (i) This Subsection shall not apply if the landlord had actual or constructive knowledge of the additional tenant's occupancy of the rental unit for more than 60 days and has failed to notify the tenant of the increase pursuant to this Subsection;  (ii) If the additional tenant joined the occupants of the rental unit prior to the effective date of this amendment and the landlord had actual or constructive knowledge of the additional tenant's occupancy of the rental unit prior to the effective date of this amendment, the landlord shall not be able to increase the rent pursuant to this Subsection unless the landlord had notified the tenant of the increase within 60 days of the effective date of this amendment;  (iii) This Subsection shall not apply for the first minor dependent child (or first minor dependent children of a multiple birth) added to an existing tenancy. 

I have a child to put through college.

If there was a child living in your property who had elevated levels of lead in his blood and a risk assessment was done, the test would swab areas inside of the windows. 

She could be a child molester.

The IRS allows any sole proprietorship or partnership (LLC) that is wholly owned by a child's parents to pay wages to children under age 18 without having to withhold the payroll taxes.

We just had our second child and have recently been discussing a one-year exit strategy from my wife’s day job to focus on real estate and family after.

Life changes, as well as your needs - you have a child or another child, someone gets sick, markets compress, etc.