This has one advantage. Of course this is not always possible and is only one of your options. Whether you interview over the phone or meet the vendor first, there are a few questions that will insure that you choose the right vendor for you. Most vendors work hard to insure that you are receiving a quality product and quality service at a fair price. These questions will help you weed out those few that don't.
Many vendors work from inside their home and many others work in a business type setting.
Comfort is perhaps the biggest factor in finding the best vendor for you. If you don't feel comfortable with a vendor it will be difficult to trust that vendor. There has to be trust on both sides with the couple and vendor relationship. This section will focus mostly on contracts between you and your vendor. The first piece of advice is to always get a contract.