Well I guess it depends on the source. And yes, you can imagine the terms deteriorating as time went on. This from wiki.
”Emigrants with capital of £1,000, (about $5,000 in 1930s currency value) could move to Palestine in spite of severe British restrictions on Jewish immigration under an immigrant investor program similar to the modern United States EB-5 visa. Under the Transfer Agreement, about 39% of an emigrant's funds were given to Jewish communal economic development projects, leaving individuals with about 43% of the funds.[19][20]”
