Typical marginal deal 

The typical Realtor isn't very well versed in this biz.

Typically, they pay 8-10$ interest for a period of 6 months to a year.

Typically when an FHA inspection prior to close is done, at least one (if not more) items will come up that the seller has to fix before you close.

Not sure if these typical ways will work on this particular case. 

A typically rental may show a small loss (depends upon scale).Look at using an IRA for her as well based upon your earnings; however, there are not too many options if she does not have any active earned income.

Typically yes

I'll have the MLS fee but it's typical around here to do the buyers agent 3% -$350 or whatever it is

However, those require the tenant to have a bank account, and typically the type of tenant who goes into a bank to make a rent payment doesn't have a bank account. 

I typically use 8%.In addition to charging a percentage of gross rents, most property managers will take a larger percentage of the first month's rent for any new lease executed.