What part of Austin are you looking at, any neighborhoods you want to / need to focus on? Since you've been here for a while I guess you are aware of the crazy traffic and will be very aware of how important it is to be close to work since a 15 minute commute can quickly turn into a 60 minute smashing-hour-head-repeatedly-against-the-wheel-congesteion-on-Mopac during peak hours.
Prices have been on the rise in Austin for a long time, and since the city is booming there's currently no end in sight. The longer you wait, the more you'll have to spend. Appreciation is crazy right now, a house that cost $250,000 ten years ago sells for more than $350,000 today, and average appreciation is somewhere between 4-10% depending on neighborhood. On the other hand, rents have been rising even faster reportedly.
Property taxes are getting out of hand in the Austin area. We pay almost $500 per month in property taxes alone for our house, and they can be upwards of 5% of your property's appraised value per year depending on what county you end up in. And the county office increases those amounts each year, this year's appraisal for our house was 3% higher than last year's just because. And while you can protest it we tried to no avail. Long story short they claimed that our house was no worth more because our neighbor's house was worth more, and our neighbor's house was worth more because ours was worth more. FML. When you do the math don't forget to take the Homestead exemption into account as it reduces the appraised value of your primary residence by 25k or more.
Another thing that is slowly getting out of hand are HOA fees. There are some big companies here that run these properties and seem to have a death-grip on them, and once they do they start charging insane amounts. We're lucky as we live in a self-governed community and only pay $67 per month (we were specifically looking for a house in a self-goverened community with low HOA fees) but friends of ours in the Rundberg/Burnet area just north of 183 are paying more than $250 per month in HOA fees alone, and short of selling and moving there's nothing they can do. And that's not even the worst we've seen, when looking for a house to buy last year we saw fees upwards of $300 per month.
Long story short: If you are willing to put in some money, and you find a property that doesn't have crazy HOA fees, and are fine with paying upwards of $500 in property taxes per month I would still recommend buying.