Let's be clear, there are lots of plans with different rules. IRAs and qualified workplace plans (401k, etc.) are different and have different rules.
Assuming ...
Don't try to be your own lawyer.
Your capital gain is calculated from her cost if the house was a simple gift, but it is calculated from the fair market value ...
That sounds very confusing. Remember that the family plan limit is shared -- you can divide it between the two of you but your combined total can't be more than...
Yes, your out of pocket medical expenses are deductible including dental expenses. Whether you get an actual tax reduction depends on your overall tax situation...