It sounds like you have some specific wishes for property disposition in the event of your death. Further, it sounds as if you have created a holographic will and have some concerns about what MIGHT happen.
1) If your will is found to be valid and stands up in probate, it is very probable that your wishes will be complied with and your sisters will PROBABLY get your estate.
However, if your will is found insufficient or invalid, your estate will pass 'intestate' and the estate will be distributed as follows:
• All of your property passes to your spouse unless you have children from a former marriage.
• If your spouse fails to survive you, your entire estate will pass to your children (or to the descendants of any deceased children).
• If you are unmarried and have no children, Virginia law requires that your estate pass to your parents.
• In the absence of parents, your property would pass to your siblings (or descendants of deceased ones).
• Finally, if you have no siblings, nieces or nephews, Virginia law provides for one-half of your estate to pass to your nearest maternal relatives and one-half of your estate to your closest paternal relatives.
As you can see, depending on your specific family circumstances, your spouse COULD inherit your entire estate. And that would include the property, since it would be a part of your estate.
So, rather than take the risk of having the state (or your spouse) determine your estate wishes, I STRONGLY suggest you invest the relatively small amount and have your will drawn up, or at least reviewed, by a competent attorney. That is truly the ONLY way that you can be comfortable that your wishes will be considered.
You might find the following website of interest:
http://patriot.net/~crouch/familylaw/wills.htm