# Upwell Structures, and Corporate / Alliance Purpose **URL:** \ **Category:** Player Features & Ideas\ **Created:** [April 23, 2019, 9:18pm UTC](https://forums.eveonline.com/t/upwell-structures-and-corporate-alliance-purpose/154691 "2019-04-23T21:18:18Z")\ **Posts on this page:** 1\ **Showing post:** 15
**Author:** ![Noori\_Naarian](https://sea1.discourse-cdn.com/eveonline/user_avatar/forums.eveonline.com/noori_naarian/32/261285_2.png) [@Noori\_Naarian](https://forums.eveonline.com/u/Noori_Naarian)\ **Post date:** [April 24, 2019, 5:33am UTC](https://forums.eveonline.com/t/upwell-structures-and-corporate-alliance-purpose/154691/15 "2019-04-24T05:33:39Z")
> [@Station housing & Anti-spam option into 1](https://forums.eveonline.com/t/station-housing-anti-spam-option-into-1/154734/2): > > What kind of costs are you talking about? Mineral? Build costs? Planetary Commodities? Just saying a generic “higher cost” doesn’t really explain much. Fuel costs. > [@Station housing & Anti-spam option into 1](https://forums.eveonline.com/t/station-housing-anti-spam-option-into-1/154734/2): > > Why do you believe this is necessary to prevent station spam? (I’m assuming you actually mean Upwell Structures, not actual Stations, because players cannot anchor those anymore) All player-build stations (upwell, tatara, etc) > [@Station housing & Anti-spam option into 1](https://forums.eveonline.com/t/station-housing-anti-spam-option-into-1/154734/2): > > Does this apply to all structure? What if we already set our Taxes, Repair, and Clone costs to 0 ISK? yes > [@Station housing & Anti-spam option into 1](https://forums.eveonline.com/t/station-housing-anti-spam-option-into-1/154734/2): > > You say “up to 30%.” How does it get “up to” that amount? up to 60 people in a station. - 0.25% of 30% per a person. So 60 people will grant 30% reduction to daily fuel costs. --- _[View the full topic](https://forums.eveonline.com/t/upwell-structures-and-corporate-alliance-purpose/154691)._