Go for it!
This might be a few years old now but here's a collection of EA elevator pitches https://docs.google.com/document/d/1vsQdWIcL1nWdTTdQtB4uH1f_rIjDo27-CwaZUnfqEG4
In his Notes on hiring a copyeditor for CEA, Aaron writes:
... I’ve also kept a record of the other applicants who most impressed me, so that I can let them know if I hear about promising opportunities. I’ve already referred a few candidates for different part-time roles at other EA orgs, and I anticipate more chances to come.
Their career review for ML PhDs says
Want to use an ML PhD to make the world a better place? We want to help.
We’ve coached dozens of people considering PhDs, and can often put you in touch with relevant experts for more guidance. Apply for our free coaching service, particularly if you want to work on AI safety
I'd say go ahead and apply. They can decide whether they want to speak to you (I'd guess that they would). If they don't, no big loss, and if they do it only takes about about 45 minutes of 1-1 time.
You can now vote in Project 4 Awesome to help EA charities win grants of, judging by past years, $25,000 USD.
You can vote for each video for each charity, and each vote counts. Click on the thumbnail to access the voting page for each video.
Give Directly: http://projectforawesome.com/?charity=2rRk4r7S
Clean Air Taskforce: http://www.projectforawesome.com/?charity=YBH2SiFJ
It's probably best to open one tab, do the CAPTCHA, and then open the rest of the tabs so you don't have to repeat the CAPTCHA. (Credit to Michael; I have no idea how to link to users.)
Not my idea, but any fund that invests money to be dispersed by future generations, e.g. https://www.overcomingbias.com/2018/04/why-dont-we-help-future.html
I also made a similarly sized donation.
I was just thinking that I didn't really answer Gregory_Lewis's question.
I guess the question could remain where the extra £700/month came from.