Unreliable Company

I purchased many bulbs to save on the shipping costs.  The 60 watt equivalents are ok but do not give near the 10,000 hour service life advertised.  The first two 75 watt equivalents lasted between 2 and 2.5 years.  The next 75 watt equivalent bulb lasted about 2 weeks or far less than 200 hours.  When I contacted the company their response was that I should have checked the bulb out immediately and since more than 2 years had passed since the purchase date they could do nothing.  Because none of the bulbs lasted near the rated service life and the last bulb was good for less than 1/50th of the service life, these bulbs are quite expensive and not what was paid for.  Add a Company that won't stand behind their product and they should be steered clear of.  Ott bulbs in the same fixture lasted for more than five years and I unscientifically believe were closer to direct sunlight.