[header] How to buy seed [title] Look at when the seeds expire. [step] Don't be tempted to buy seed that is past the expire date because seed deteriorates after that time. If you do get seed post the expiry date, make sure it's a bargain and don't be disappointed if it refuses to germinate or produces poor. 
[title] Buy enough seed and not too much. [step] Having too much seed and nowhere to plant it will mean that the unused seed will go to waste.