This is an exercise in creating maximum leverage for small to medium sized donations and an exercise in showing how just about any citizen in an industrialized country could save at least one life each year in their spare time.

Suggested Prerequisites

  • An annual donation budget or spare time to generate some extra funds. 
    Personally, I keep my Uber Driver information up to date so I can take advantage of the occasional lucrative promotion or peak event demand in a nearby city. Also I'm a US resident, so I sign up for new plasma donor programs at 1-2 new centers a year that pay an initial $700-$1200 for 8 donations in the 1st month. These centers include places like CSL Plasma, Biolife, Grifols, Biomat, Freedom Plasma, Kedplasma, Immunotek, Gcam Plasma, Octapharma Plasma, and BPL Plasma. 
    People with different resources and skills may have other ways of generating their initial donation funds, but these are just some examples if your current job doesn't include a high income.
  • A credit score of 670 or higher.


First Multiplier: Credit Card Sign-Up Bonuses For Donations (1.1x to 1.65x)

If you have a 670+ good or excellent credit score, then you can qualify for several credit cards with sign-up bonuses ranging from $200 back on the 1st $500 spent to 10% back on several purchases for the 1st year (including some sites where you may make an online donation). All this requires is the good credit score, reading some sign-up bonus conditions to ensure your donation transaction(s) will qualify, and time to fill out the paperwork & unfreeze your credit on your credit site(s) like Experian or Transunion.

In addition, some of these cards offer referral bonuses for people who sign up with your referral link (Ex:

So if you want to coordinate with some of your friends or with other Effective Altruists in the community, then you can use these referral bonuses to multiply your funds even more than the 1.1x to 1.65x listed in the section header.

For more information on credit card sign-up bonuses and avoiding any pitfalls, check this more extensive blog post on the topic.


Second Multiplier: Donation Matching Events (1.1x to 2x)

Here donation matching events mean things like Facebook's Giving Tuesday matching event or's occasional matching events. These are events where matching funds could go to less effective charities or to more effective organizations like EA charities, so securing these matches for EA charities is not a gimmick and truly adds more funds to EA charities.

There is usually a post about Facebook's Giving Tuesday event on the EA forum each year, for example here is the EA Giving Tuesday instructions post for 2021. This Facebook event seems to be very popular, so there is more EA supporting material on it. However, as listed in the annual posts, there is a limited amount of 2x and 1.1x matching funds for this event. The 2x funds usually run out seconds after the 8AM EST opening and the 1.1x funds usually run out in a couple hours or less. Also, the matching only applies to the first $20,000 per donor. So the multiplier for this matching event will require extra preparation as described in the annual EA post. More news and information on past years is listed here.

Other matching events like's are significantly less competitive, but may come with other limitations like lower donation limits for matching funds. For example there was this past matching event with a $100 donation matching limit.

If you apply for a credit card with a good sign-up bonus a month or two before one of the donation matching events and the bonus conditions apply to the donation matching site or vendor, then you can use that card for your matched donation(s) to combine the card sign-up bonus multiplier with the donation matching event multiplier.


Third Multiplier: Donate to Giving Multiplier's Matching Fund (1x to 2x)

Giving Multiplier is a site that runs a kind of year-round matching program to encourage people less familiar or less engaged with EA to donate more money to GiveWell charities. The site allows people to bundle a donation to their favorite charity with a donation to an effective GiveWell charity and Giving Multiplier will match the portion of the donation going to the GiveWell charity. Depending on how many people are encouraged to donate more to effective charities, Giving Multiplier could direct anywhere from 1 to 2 times the money sent to their matching fund to effective charities.

By directing donations from the matching events like Giving Tuesday to Giving Multiplier and their effective charities matching fund, you can stack the card sign-up bonus multiplier and donation matching event multiplier with a Giving Multiplier multiplier.

For more on Giving Multiplier, see this update from the founders on the EA forum and this critique from another community member.



Lowest Multiplier Stack Estimate: 1.1 x 1.1 x 1 = 1.21x

Highest Multiplier Stack Estimate: 1.65 x 2 x 2 = 6.6x


Even if someone only had $1500 to donate or only 40-60 spare hours to generate the equivalent funds, they could use some method of donation multiplier stacking to direct enough money to effective programs to save at least one life per year.


1 comments, sorted by Click to highlight new comments since: Today at 2:27 PM
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Some points for why Giving Multiplier could still be pretty good even if more funds are directed to slightly less effective GiveWell charities than things like bed-nets:

  1. As EA starts to move a lot more money each year and potentially gets more push-back for concentrating its power in the non-profit space, Giving Multiplier offers a step in the funding process that allows more non-EAs to voice where they want more of these concentrated funds directed. It gives even outsiders a bit of a democratic voice in our processes.

  2. If these outsider voices seem to tip things towards non-optimal allocations, then GiveWell’s maximum impact fund could still adjust its allocation of funds to the better marginal options. So the more democratic Giving Multiplier funds can just displace other funding sources for lower impact GiveWell charities & those displaced sources can then give to the higher impact GiveWell charities in response.